Final answer:
The scientific method is a formal process that scientists use to perform research. It involves steps such as observation, research, hypothesis formulation, experimentation, analysis of results, and drawing conclusions.
Explanation:
The scientific method is a formal, organized way for scientists to perform research. It typically involves the following steps:
Observation and questionResearchHypothesis formulationExperimentationAnalysis of resultsConclusionThis method allows scientists to gather evidence, test their hypotheses, and draw valid conclusions based on their research. The scientific method can be applied to various situations, not just limited to science, and it can be modified to suit different scenarios.
BRAINLIEST PLEASE ANSWER FASTWhich of the following is NOT a way that biodiversity is important to an ecosystem?
A Different types of decomposers are available to break down many types of waste.
B Biodiversity makes ecosystems more stable.
C Biodiversity can increase the rate of extinction.
D If one food source goes extinct other food sources are more likely to be available.
Biodiversity is not important to increase the rate of extinction.
Answer: Option C
Explanation:
Bio diversity is nothing but a measure of variation at the species, genetic, and ecosystem levels. In other words, Bio diversity can be termed as “Totality of species or genes etc.” They always tend or help to make the biodiversity more stable and consistent.
They also play a major role in making food source available if any other food source become extinct. They will never be used to improve the rate of extinction in turn they can only be useful to reduce the rate of extinction. Hence we can conclude option C as correct answer.
Arrange the events of succession after a volcano erupted in their proper order.
a.
pioneer species, plant growth, soil formation
b.
pioneer species, soil formation, plant growth
c.
soil formation, pioneer species, plant growth
d.
soil formation, plant growth, pioneer species
Answer:
answer is b
Explanation:
i have edgenunity or however you spell that
The events of succession after a volcano eruption are described as follows:
Pioneer species, soil formation, plant growth.Thus, the correct option is B.
What is Succession?Succession may be defined as the process of gradual and continuous replacement of one community by another community over a specific period of time. This process generally takes place by strong competitors. "Frederic Clements" is considered as the Founder of succession theory.
After volcanic eruption, the pioneer species is the first species that arrive after this activity. Due to the arrival of pioneer species, soil formation occurs due to the breaking down of rocks into smaller fragments by the action of pioneer species.
Once soil formation occurred, now the stage is set for various plants to grow and developed properly as per their needs.
Therefore, the correct option for this question is B.
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Gene therapy is a form of
selective breeding
artificial selection
cloning
genetic engineering
Answer:
Genetic Engineering
Explanation:
Genetic engineering aims to modify the genes to enhance the capabilities of the organism beyond what is normal.
Answer:
genetic engineering
Explanation:
does graphite have a crystal pattern
Answer:
yes
Explanation:
Graphite is a mineral composed of stacked sheets of carbon atoms with a hexagonal crystal structure.
Graphite has a crystal pattern formed by 2-dimensional sheets of trigonal sp² carbon atoms arranged in aromatic six-membered rings, leading to its unique properties of being soft and electrically conductive.
Explanation:Yes, graphite does have a crystal pattern. Graphite consists of 2-dimensional sheets of trigonal sp² carbon atoms arranged in aromatic six-membered rings, forming a hexagonal pattern. These layers are held together in parallel layers by relatively weak forces, which makes graphite soft and slippery. The distance between these layers is 3.35 Å, and all the C-C bonds within the hexagonal network measure 1.421 Å. This structural arrangement contributes to graphite's properties, such as its electrical conductivity, especially parallel to these layers. Comparatively, diamond, which is also made purely of carbon, has a different lattice structure, making it the hardest known substance, whereas graphite, with its unique layered structure, is softer.
(7) How might the Punnett Square below be used as evidence to support the
idea that genetic information is passed onto offspring through meiosis
followed by fertilization?
pollen
o
b
A. When the female gamete for a
purple flower is pollinated with a
male gamete for a purple flower,
the offspring is purple.
B. The Punnett Square shows with
certainty what an offspring would
look like if two organisms produce
offspring
C. The pistil and pollen are diploid
cells and donate two alleles to each
offspring, resulting in the traits for the
organism.
D. The Punnett Square shows the
possible combinations of alleles when
chromosomes replicate from meiosis.
Answer:
C
Explanation:
The pistil and pollen are diploid cells and donate two alleles to each offspring, resulting in the traits for the organism supporting the idea that genetic information is passed onto offspring through meiosis followed by fertilization.
What is fertilization?
Fertilization, often spelled fertilisation and sometimes referred to as generative fertilisation, syngamy, and impregnation, refers to the process of fusing gametes in order to produce a new individual organism or progeny and to kickstart that organism's growth.
During meiosis, a diploid cell divides into two haploid daughter cells, and during fertilization, two haploid daughter cells, known as gametes, join together to form a diploid zygote.
The processes that take place during fertilization can be broken down into four distinct phases: 1) the preparation of the sperm, 2) the recognition and binding of the sperm to the egg, 3) the fusion of the sperm and egg pronuclei, and 4) the activation of the zygote.
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Question 7 (3 points)
Which of the following describes the law of original horizontality?
Answer:
"Folded sedimentary layers were originally laid down flat and later deformed." describes the law of original horizontality.
Explanation:
In terms of structural geology, the folds happens when the one over the another are piled up on a flat as well as planar structure i.e. sedimentary strata. Which sometimes are bent or may be curved because of the permanent deformation. Both upward as well as downward folds occurs in the sedimentary fold. Which is known as the anticline or the syncline. There are three major folds in case of the sedimentary layers they are monocline, anticline and syncline. Simple bend layers are called as the monoclines.
The table represent the thickness top density and bottom density of the different layers of the earth. In most of the layers, the deeper the layer, the thicker and denser the layer becomes. At which location in Earth’s interior exhibits a change in the trend?
Answer:
Inner Core is the answer.
Answer:
a
Explanation:
Which of these is an example of thermal pollution?
O
A. Water carries radioactive particles from a deposit of radioactive
matter.
O
B. Lake water is used for cooling in a power plant.
O
C. Fertilizers run off into nearby waterways.
O
D. Soil washes off plowed fields into nearby waterways.
(Apex)
Lake water is used for cooling in a power plant is an example of thermal pollution
Explanation:
When a body of water is heated to an abnormally huge temperature in a manufactured manner by humans there expires thermal pollution. Due to the outflow of heated water from manufacturing processes there raises in liquid warmth in a water body.
A usual problem of thermal pollution is the effectiveness of the pool as a cooling agent by power plants and manufacturing units. When the liquid used as a cooling agent is delivered to the tangible atmosphere at a tremendous temperature, the unexpected variation in warmth reduces oxygen stocks and concerns ecosystem balance.
Answer:
Lake water is used for cooling in a power plant is an example of thermal pollution
Explanation:
AP!X
Which of the following best explains why the latitude of a region influences its climate?
A. The latitude of a region determines its proximity to the ocean.
B. The latitude of a region determines the landforms present in the area.
C. The latitude of a region determines how much sunlight the area receives.
D. The latitude of a region determines its elevation above sea level.
Answer:
"The latitude of a region determines how much sunlight the area receives" this statement says about why the latitude of a region influences its climate.
Explanation:
The latitude determines the sunlight of the area receives because, the more the latitude the sharper will be angle of the sun's rays which will reach the surface. Means that the rays of the sun are being spread over the broader area. Hence, More the latitude receive will be the less than the lower latitude areas located nearer to the equator. As, we know the sun's ray first strikes over the Earth's surface which is near the equator as these places receive direct solar radiation. At greater latitude the solar radiations gets spread in more area and hence the temperature also reduces.
Answer:
C. The latitude of a region determines how much sunlight the area receives.
Explanation:
Did it on Study Island, plus latitude determines how close it is to the equator and therefore how directly it gets hit by the sun.
Which of the following are appropriate units for power?
Question: Which of the following are appropriate units for power?
A) newton·meter
B) watt
C) H.P./sec
D) joule/sec
Answer:
Watt and Joule/sec are the appropriate units for power.
Explanation:
As per the question, the physical quantity given is power.
The power is defined as the rate of consumption of energy or the rate of doing work.
Let us consider W is the amount of work done by a body in time t .
Mathematically the power of that body is written as -
power [tex]p = \frac{W}{t}[/tex]
The unit of work is joule and the unit of time is second.
Hence, the unit of power is joule/sec.
we know that one joule/sec. = one watt.
Hence, watt is also another unit of power. Newton-metre can not be a unit of power . It may be considered as a unit of work.
Similarly H.P/sec is also not a unit of power. Here H.P stands for horse power which is another unit of power . Hence, joule/sec. and watt are the appropriate units of power.
The SI unit for power is the B) watt (W)
Another common unit for power is horsepower (hp), where 1 hp equals 746 watts.
These units allow you to measure and compare the power of different devices effectively.In physics, power is defined as the rate at which work is done or energy is transferred over time. The SI unit for power is the watt (W), where 1 watt is equal to 1 joule per second (J/s). Another commonly used unit for power, especially for engines and motors, is the horsepower (hp), where 1 horsepower is equal to 746 watts. By understanding these units, you can better grasp and compare the power ratings of different devices and systems.In summary, the appropriate units of power include:
Watt (W)Horsepower (hp)Correct question is: Which of the following are appropriate units for power?
A) newton·meter
B) watt
C) H.P./sec
D) joule/sec
Which of these would improve the water quality in a watershed? A. reduction in pesticide use B. use of more fertilizer C. destruction of wetlands D. erosion of more topsoil
Answer:
A
Explanation:
Reducing pesticide use, preserving wetlands, and preventing erosion of topsoil would all improve the water quality in a watershed.
Explanation:Improving water quality in a watershed can be achieved through various methods:
Reducing pesticide use: Pesticides can contaminate water sources, so reducing their use helps prevent water pollution.Not destroying wetlands: Wetlands act as natural filters, removing pollutants and improving water quality. Destruction of wetlands can lead to increased pollution in the watershed.Avoiding erosion of topsoil: Erosion can carry sediment and pollutants into water bodies, degrading water quality. Preventing topsoil erosion helps maintain clean water in the watershed.Learn more about Water quality in a watershed here:https://brainly.com/question/32173599
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In two to three paragraphs, explain why the last generations of woolly mammoths couldn’t meet these factors to evolve in a changing environment. Also explain how data such as the fossil record and DNA evidence can identify the factors that can lead to the evolution of a species.
The woolly mammoths didn't managed to evolve to their changing environment because their food source was quickly disappearing, the climate changed rapidly, and they reproduced very slowly.
Explanation:
The woolly mammoths were huge animals that fall into the category of megafauna. They thrived during the last ice age, but they went extinct in most of their habitat soon after the end of the ice age. It is a general rule, when it comes to extinction, that the larger animals which are highly specialized are the most vulnerable to it.
In the case of the mammoths, they were huge animals perfectly adapted to the ice age climate, and were specialized when it came to their food sources. With the climate changing rapidly, the vegetation too started to change very quickly. A big problem also was the slow reproduction among the woolly mammoths, as it took too much time for the next generation to come along, and the changes in their environment were way to fast so that they can adapt in time.
With every next generation coming too late, the mammoths were too slow to follow the changes. Their food was disappearing, their numbers constantly going down, the gene pool became smaller and smaller, and they died out in most of their habitat. Only small populations managed to survive until 3,000 BC, and that was on an island north of Russia, but once the resources were gone on the island those mammoths too went extinct.
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The last woolly mammoths could not evolve to changes in climate and human hunting. Fossil records and DNA analyses can trace these changes, showing how species evolve over time.
Explanation:The last generations of woolly mammoths were unable to adapt to their changing environment due to several factors. One major reason was the rapid climate change associated with the end of the last Ice Age. Their thick woolly coats and large sizes were adaptive features for the cold environment, but they became drawbacks as the earth got warmer. In addition, human hunting put extra pressure on their population.
Data from fossil records and DNA analyses can reveal how species evolve over time. Fossil evidence demonstrates physical changes in ancestral and descendant species, showing the path of evolutionary change. DNA evidence can trace the genetic mutations which arose over generations and were selected for, due to their adaptive benefits. These mutations are what ultimately drive the process of evolution.
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The characteristics that result from a monohybrid cross is the trait
Answer:
The characteristics that result from a monohybrid cross is the dominant trait.
Explanation:
A monohybrid cross is the process of mating between organisms having contrasting variants at one particular genetic chromosome.The characters that is being observed in a monohybrid cross are controlled by two or more than two variations for a unit locus. The result that is obtained form the monohybrid cross is never a recessive trait but always found a dominant trait.Dominant trait is the masked or hidden genetic characteristic of organism by the recessive one.Answer:
The characteristics that result from a monohybrid cross is the dominant trait.
Explanation:
A monohybrid cross is the process of mating between organisms having contrasting variants at one particular genetic chromosome.
The characters that is being observed in a monohybrid cross are controlled by two or more than two variations for a unit locus.
The result that is obtained form the monohybrid cross is never a recessive trait but always found a dominant trait.
Dominant trait is the masked or hidden genetic characteristic of organism by the recessive one.
How many grams of CaCl2 are in 0.75M solution with a volume of 1L
83.235 grams of CaCl2 is required to make 1 litre of 0.75M solution.
Explanation:
Molarity or molar concentration is the number of moles of solute that can be dissolved in 1 L of a solution.
let us find the number of moles
n=C*V Concentration is 0.75M
Volume is 1000ml.
n= 0.75*1
n= 0.75
This means there are 0.75 moles of CaCl2 in 1000 ml of solution of .75M.
Molar mass of CaCl2 is = 40.08+ 2(35.5)
= 110.98 gms
Thus 1 MOLE OF CaCl2 weighs 110.98
so 0.75 moles will weigh 110.98*0.75
= 83.235 grams of CaCl2 is required to make 1 litre of 0.75M solution.
What is happening during the stage of meiosis shown below?
O
A. The spindle fibers are pushing the sister chromatids toward the
center of the cells.
O
B. The spindle fibers are pulling the sister chromatids apart to
opposite sides of the cells.
O
C. The spindle fibers are pushing the tetrads toward the center of the
cells,
O
D. The spindle fibers are pulling the tetrads apart to opposite sides of
the cells.
B. The spindle fibers are pulling the sister chromatids apart to oppositesides of the cells.
Explanation:
In meiosis, a single cell is dividing two times and forming four different haploid cells (n). Meiosis will produce gametes( sperms and eggs) through sexual reproduction. Meiosis has two cell division stages. In meiosis one, which is the first round of cell division where the homologous chromosomes ( they are pair of chromosome from the parents but each allele are different since both are coming from mother and father) but are separating each other.In meiosis two, which is the second round of cell division where the sister chromatids ( Identical copies of chromatids formed after the DNA replication) get separate each other by spindle fibres).do cells absorb food and oxygen
Answer:
Yes it does.
And could you come help me with my latest question?
Answer:
yes
Explanation:
(answer fast and you'll get brainlest) The solution outside of a cell is a hypertonic sugar-water solution.
Which would typically be the result of osmosis so that a cell may maintain homeostasis?
A. Water moves from the inside to the outside of the cell, causing the cell to swell.
B. Water moves from the outside to the inside of the cell, causing the cell to swell.
C. Water moves from the inside to the outside of the cell, causing the cell to shrivel.
D. Water moves from the outside to the inside of the cell, causing the cell to shrivel.
Answer:B. Water moves from the outside to the inside of the cell, causing the cell to swel
What branch of earth science studies the Great Lakes
Answer:
Oceanology or oceanography
Explanation:
Oceanology or oceanography can be described as a branch of Earth Science under which The physiological and biological aspects of the Great Lakes and Oceans are studied. This branch of Earth Science is further divided into many branches such as oceanography, chemical oceanography, geological oceanography and physical oceanography so that every aspect of the oceans can be studied in detail. The field of Oceanology is dynamic and versatile.
is gas powered lawn mower a simple machine
Answer:
A gas-powered lawn mower is a complex machine because for it to function it does more than one motion. For example, it has a wheel and axle system so it can move when powered. And it has a system of simple machines and other parts that are put together to accomplish the task of cutting grass.
Explanation:
Pls help. I am really stuck.
The tree gathered the mass from the environment.
Explanation:Trees are the producers of the environment who can undergo the process of photosynthesis. The process of photosynthesis involves the conversion of carbon dioxide and water chemically into glucose and oxygen in presence of sunlight. This glucose is then metabolized by the plant cells into different compounds like lipid, proteins, carbohydrate and different others. These compounds make up the plant body which makes the plant grow into much bigger plant. This makes the mass of the plant increase. Thus, the plant which was planted 10years ago gathered the mass from the environment and converted them into body building products which increased the plant mass by 250kgs.
Please select the word from the list that best fits the definition
The stress force that pulls on the crust where two plates are moving apart is called
syncline
anticline
footwall
hanging-wall
tension
shearing
strike-slip
reverse
Answer:
5, E, Tension
Explanation:
Answer:
e
Explanation:
have a good day
describe how negative feed back would work to maintain body temperature, blood glucose and blood ph
Answer:
These conditions remain stable because of physiologic processes that result in negative feedback relationships. If the blood glucose or calcium rises, this sends a signal to organs responsible for lowering blood glucose or calcium. The signals that restore the normal levels are examples of negative feedback.
Explanation:
Which of these events happens immediately before cell division occurs? A. The cells genetic material is copied
B. The cells surface area to volume ration increases
C. The cells volume decreases more than its surface area
D. The cells DNA is distributed evenly throughout the cell
Answer:
A The cells genetic material is copied
Explanation:
Cell division is the process by which a single cell divides into two daughter cells. Each daughter cell needs to inherit an entire copy of the genetic material, therefore, before cell division occurs, the DNA is replicated. This allows the cell to divide the genetic material between two daughter cells, such that each cell inherits the complete genome.
Final answer:
DNA replication, which occurs during the S phase of the cell cycle, happened immediately before cell division. The incorrect event during interphase is the separation of sister chromatids, which occurs during anaphase of mitosis. DNA replication is vital for genetic continuity in the daughter cells.
Explanation:
The event that happens immediately before cell division occurs is A. The cell's genetic material is copied. This process is known as DNA replication and occurs during the synthesis phase, or S phase, of the cell cycle, before the cell enters mitosis or meiosis. DNA replication ensures that each daughter cell will have its own complete set of chromosomes, which is essential for maintaining the genetic continuity of an organism.
To answer the multiple-choice question provided, the event that does not occur during some stages of interphase is D. separation of sister chromatids. This event happens during mitosis, specifically during anaphase, which is after interphase has concluded.
Thus, DNA replication is the critical step that precedes cell division, guaranteeing that all genetic information is successfully and equally distributed to the two new cells.
Please help ASAP URGENT Will mark Brianlest
Which statement about electrons is true?
A. Electrons have no charge.
B. Electrons have a positive charge.
C. Electrons have a negative charge.
Answer:
it is c as protons have a positive charge
Explanation:
protons =positive
Domestic cattle often have interactions with wild animals. In South America,
drink the blood of sleeping cattle. Disease may spread through these bites. Howeve
blood does not cause great harm to the cattle. In North America, wolves sometimes a
etimes attack and
eat young cattle.
vild animals. In South America, vampire bats
through these bites. However, loss of
a. What are the names of these two interactions with cattle, and how do they differ from
each other? (1 point)
In which situation are cattle hosts?
Answer:
Bats are the only mammals that can fly, but vampire bats have an even more interesting distinction—they are the only mammals that feed entirely on blood.
Nocturnal Behavior
These notorious bats sleep during the day in total darkness, suspended upside down from the roofs of caves. They typically gather in colonies of about 100 animals, but sometimes live in groups of 1,000 or more. In one year, a 100-bat colony can drink the blood of 25 cows.
During the darkest part of the night, common vampire bats emerge to hunt. Sleeping cattle and horses are their usual victims, but they have been known to feed on people as well. The bats drink their victim's blood for about 30 minutes. They don't remove enough blood to harm their host, but their bites can cause nasty infections and disease.
Hunting for Blood
Vampire bats strike their victims from the ground. They land near their prey and approach it on all fours. The bats have few teeth because of their liquid diet, but those they have are razor sharp. Each bat has a heat sensor on its nose that points it toward a spot where warm blood is flowing just beneath its victim's skin. After putting the bite on an animal, the vampire bat laps up the flowing blood with its tongue. Its saliva prevents the blood from clotting.
Young vampire bats feed not on blood but on milk. They cling tightly to their mothers, even in flight, and consume nothing but her milk for about three months.
The common vampire bat is found in the tropics of Mexico, Central America, and South America.
Hope it helps!
Answer:
The wolf attacking and eating young cattle would be an example of predation. The bat drinking the the blood of sleeping cattle would be commensalism, since the cow is unaware and the bat is benefiting.
Primary growth or lengthening of plants results from mitotic division in cells of which tissue?
A.
Axillary buds
B.
Lateral meristem
C.
Apical meristem
Answer:
The correct option is C) Apical meristem
Explanation:
Apical meristem can be described as undifferentiated meristematic cells found in the tips of the shoots and roots. The main function of the apical meristem is to start the process of cell division at these parts. In the apical meristems, cells tend to grow by undergoing numerous mitotic divisions. As result, primary growth and lengthening of the plant occur. Hence, the correct option is option C.
Other options, like option B, is not correct because it is the site where secondary growth occurs.
Which situation is in equilibrium?
Answer:
The correct answer is: B. The amount of air in a room never changes.
Explanation:
A system is said to be in equilibrium when the net components in the system remains constant (no increase or decrease) with time.The air in a room never remains constant and always undergoes dynamic movement into and out of the room. At equilibrium, the net air in the room remains constant as amount of air exiting the room is balanced by the amount of air entering it.Evaporation of water in the form of water vapour from a cup into the atmosphere is not in a state of equilibrium as the amount of water evaporating from the cup is not replaced in the cup so there is a net decrease in water level in the cup.The decrease in nitrogen percentage in a room is not in equilibrium as the nitrogen concentration of the room is not constant.A blade of grass growing taller is not in equilibrium as a constant height of the grasses is not maintained.Which type of cell makes pus when it dies?
A.) lymphocytes
B.) neutrophils
C.) antigens
D.) macrophages
Answer:
B) Neutrophils
Explanation:
When the body detects an infection, it sends neutrophils, a type of white blood cell, to destroy the fungi or bacteria. During this process, some of the neutrophils and tissue surrounding the infected area will die. Pus is an accumulation of this dead material. Many types of infection can cause pus
The right response is neutrophils (option B). The most prevalent form of white blood cell in the human body, neutrophils play a crucial role in the innate immune system.
What happens when neutrophils die ?When neutrophils expire, their interior, which may include pus, is released. Dead neutrophils, bacteria, and other cellular waste make up pus. One of the five categories of white blood cells, or leukocytes, in the human body are neutrophils.
They are in charge of engulfing and eliminating bacteria, fungus, and other pathogens. They constitute the body's first line of defence against infection. When a neutrophil expires, its inside, which may contain pus, is released.
Dead neutrophils, bacteria, and other cellular waste make up pus. It frequently has a yellow or green colour and can represent an infection. In contrast, white blood cells such as lymphocytes, antigens, and macrophages are all engaged in the adaptive immune response.
Due to the fact that they are not in charge of engulfing and eliminating bacteria and other diseases, they do not normally discharge pus when they die.
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Which of these has NOT provided evidence showing that the continents
have drifted over time?
O A) rocks
OB) fossils
OC) earthquakes
OD) geologic structures
Answer:B. Fossils
Explanation:
fossils is the remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form. it has nothing to do with continental drift.
Answer:
BExplanation:
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Answer:
Island Arcs
Explanation: