I think the answer is D.
Hope this helps.
Anything added to the environment that is harmful to living things is ?
The other answer is wrong. It would be pollution. Hope this helps you!
Which of the following is the study of the independence of all living things and their environment?
Answer:
Interdependence of living things
Explanation:
Biological interactions
A species of birds entered a nonnative habitat and is now considered an invasive species. Whats the most likely effect his species will have on native species that share the same reaources?
Answer:
the native species will go extinct
Explanation:
Final answer:
Invasive species, like the birds in the nonnative habitat, can compete with native species for resources, leading to a decline in native populations.
Explanation:
Invasive species, such as the birds in the nonnative habitat, can have various effects on native species that share the same resources. One of the most likely effects is competition for resources. Invasive species often out-compete native species for food, nesting sites, and other essential resources, which can lead to a decline in native species populations. For example, if the invasive birds consume the same food sources as the native birds, it may result in food shortage and decreased reproductive success for the native birds.
6. The energy exchanges between space, the atmosphere, and Earth's surface produce
What is the name of this plant?
Chinese sweet plum
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Which of the following prevents blood from flowing backward through the circulatory system?
Smooth muscle in the arteries
Smooth muscle in the veins
Valves in the arteries
Valves in the veins
Answer: Valves in the veins
Explanation: The flow of the blood inside the body takes place through the veins and arteries. The oxygenated blood from the heart is supplied to the different parts of the body.
The blood flows from the capillaries to the venules and from there to the veins. The blood moves in the veins by the rhythmic movement of the smooth muscles in the body.
Most of the blood moves against the gravity so there is a chance that it can backflow so to prevent this there are valves in the veins known as one way valves.
Answer: its D. Valves
Explanation: Just passed the assignment
Which genotype below represents a dihybrid individual? bbee BBee BbEe bbEE
Answer:
C. BbEe
Explanation: Dihybrid cross is a cross between two different lines/genes that differ in two observed traits.
As shown in the diagram, the genotype for this hybrid is : BbEe
Here, the cross is shown in the picture attached.
Answer: Look at attached
Explanation:
When referring to an animal's body temperature, the term ectothermic means
Question 3 options:
the animal's body temperature must stay above 100°F.
the animal's body temperature is regulated only by environmental conditions
the animal uses only internal mechanisms to regulate its body temperature.
the animal's survival does not depend on its body temperature.
The correct answer is: the animal's body temperature is regulated only by environmental conditions
Ectothermic refers to an animal's body temperature being regulated by the environment. Examples of ectothermic animals are reptiles, amphibians, and fish. They depend upon the environment to maintain appropriate body temperature.
Explanation:The term ectothermic when referring to an animal's body temperature means that the animal's body temperature is regulated only by environmental conditions. Examples of ectothermic animals include reptiles, amphibians, and fish. These ectothermic animals do not have internal systems to regulate their temperature, so they rely upon their environment to keep their temperature at a level that allows for survival and function. For instance, a lizard may bask in the sun to raise its body temperature.
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What can be expected for the recessive trait of monohybrids from the F2 generation?
all dominant traits
all recessive traits
1/3 dominant traits
2/3 recessive traits
none of the above
Answer:
None of above.
Explanation:
A monohybrid cross uses pure breeding parents to get the F1 hybrid. Self crossing of F1 hybrid gives F2 generation in the phenotypic ratio of 3 dominant :1 recessive. Hence, the expected proportion of recessive progeny in F2 of a monohybrid cross is 1/4 only.
How is matter recycled throughout the stages of the carbon cycle
Carbon enters the atmosphere as carbon dioxide from respiration and combustion. Carbon dioxide is absorbed by producers to make glucose in photosynthesis. ... Decomposes break down the dead organisms and return the carbon in their bodies to the atmosphere as carbon dioxide by respiration.
Matter is recycled in the carbon cycle through biological processes like photosynthesis and cellular respiration, and geological processes that store carbon in reservoirs like oceans and rocks, maintaining ecological balance.
Explanation:Matter is recycled throughout the stages of the carbon cycle, an essential biogeochemical cycle through which carbon is exchanged among the biosphere, atmosphere, oceans, and geosphere. Living organisms play a vital role in this process. During photosynthesis, plants and other producers remove carbon dioxide from the atmosphere and convert it into organic compounds. As organisms consume these plants, carbon is transferred through the food chain. Organisms then release carbon back into the atmosphere as carbon dioxide through the process of cellular respiration. When organisms die, decomposers break them down, which can also return carbon to the environment. Additionally, human activities, such as the burning of fossil fuels, contribute vast amounts of carbon dioxide to the atmosphere.
The carbon cycle also includes much slower geological processes where carbon is stored in various reservoirs including the oceans, soil, rocks, and Earth's interior. These reservoirs can sequester carbon for long periods, thereby regulating the amount of carbon in the atmosphere and maintaining ecological balance. Environmental Biology emphasizes the importance of this cycle, as carbon is a key component of all life on Earth and must be continually recycled.
Vertebrates and invertebrates differ in the presence of a backbone. Another characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates —
Question 9 options:
have a relatively well-developed brain and circulatory system.
have long tube-like bodies that are divided into segments.
take in oxygen from their skins rather than from an inside organ.
have hard outer covering called exoskeletons.
Answer:
The other person is completely incorrect, it is A.
Explanation:
A characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates have a relatively well-developed brain and circulatory system.
What are vertebrates?The vertebrates are a group of animals (phylum Chordata) that are characterized to have bones.
Some other characteristics that define this group are the tubular brain, sense organs, etc.In the embryo of vertebrates, it is also possible to observe the pharyngeal slits.In conclusion, a characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates have a relatively well-developed brain and circulatory system.
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your answer should be D. Transpiration
Transpiration is the process of water evaporating off of the plants and trees and stuff, so yes, D
What percentage of the offspring will have round seeds?
The repeating pattern of a mineral’s particles forms a solid called ?
a Crystal?
Not sure. :D
the repeating pattern of a mineral's particles forms a solid called a crystal.
Someone please help me!!
There is a picture! Will mark a brainliest! Worth 10 points! :)
They catch smaller insects in flight, and their large eyes allow them to spot any likely victim from a distance. ... The insect prey is caught by the dragonfly's legs, and spines on the legs prevent the victim from struggling free. The insect prey is usually eaten while the dragonfly continues flying.
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please give me a a constructed and revised explanation based on evidence for how carbon, hydrogen, and oxygen form sugar molecules may combine with other elements to form animo acids and/or other large carbon based molecules
The sugar molecules thus formed contain carbon, hydrogen, and oxygen: Their hydrocarbon backbones are used to make amino acids and other carbon-based molecules that can be assembled into larger molecules (such as proteins or DNA), used for example to form new cells.
Carbon, hydrogen, and oxygen from sugars can combine with nitrogen and other elements to form amino acids through metabolic pathways. Additionally, these elements contribute to the synthesis of lipids and nucleotides, forming various large carbon-based molecules.
Carbon, hydrogen, and oxygen from sugar molecules can combine with other elements to form amino acids and other large carbon-based molecules through various biochemical processes. Here’s a simplified explanation of how this happens:
1. Carbon, Hydrogen, and Oxygen from Sugars:
Sugars (carbohydrates) consist mainly of carbon (C), hydrogen (H), and oxygen (O). For example, glucose is a simple sugar with the formula C₆H₁₂O₆.
2. Formation of Amino Acids:
Amino acids are the building blocks of proteins and contain carbon, hydrogen, oxygen, and also nitrogen (N) and sometimes sulfur (S).
Process: During metabolism, glucose can be broken down to produce acetyl-CoA and other intermediates in the glycolysis and citric acid cycle (Krebs cycle). These intermediates enter various biosynthetic pathways.Transamination: This is a key step where an amino group (NH₂) is transferred from an amino acid to a keto acid, facilitating the formation of new amino acids. The amino group comes from other nitrogen-containing compounds in the cell.Biosynthesis: Carbon skeletons from intermediates of glucose metabolism combine with ammonia (NH₃) or amines to form amino acids.3. Formation of Other Large Carbon-Based Molecules:
Lipids: Sugars can be converted into acetyl-CoA, which is a precursor for synthesizing fatty acids. Fatty acids, along with glycerol (which can be derived from glucose), form triglycerides (a type of lipid).Nucleotides: Carbon from sugars can also be used to synthesize nucleotides, which are the building blocks of nucleic acids (DNA and RNA). The sugar component in nucleotides (like ribose or deoxyribose) is derived from glucose metabolism.The complete question is- How carbon, hydrogen, and oxygen from sugar molecules may combine with other elements to form amino acids and/or other large carbon-based molecules?
The diagram below shows the position of the sun, moon, and Earth. The labels A, B, C, and D represent four coastlines on Earth.
Three circles are shown. The smallest circle is in the middle and is labeled Moon The circle labeled Earth is on the left of the moon and the biggest circle is labeled Sun and it is on the right of the moon. The circle labeled Earth has A marked on top, B marked on the right, C marked below, and D marked on the left
As Earth rotates, coastline B moves to where coastline A is. Which statement is correct about coastline B in its new position?
It will experience a high tide because water is drawn away from the area between the low tides.
It will experience a low tide because water is drawn away from the area between the high tides.
It will have a low tide because the greatest gravitational pull of the moon is experienced when the coastline is at right angles to the moon.
It will have a high tide because the greatest gravitational pull of the moon is experienced when the coastline is aligned with the sun and moon.
Answer:
It will experience a low tide because water is drawn away from the area between the high tides.
Explanation:
The oceans on earth bulge outwards towards the sun and moon due to gravitational pull. This building is highest when the moon and sun are in line (same plane). The coastline within this plane will experience high tides while those at the right angle will have the lowest tides.
Which best describes adaptive radiation?
A. Geographical isolation caused by an adaptation
B. Adaptations that organisms teach each other
C. A decrease in the rate of speciation
D. Biodiversity resulting from few ancestors
The correct answer is - D. Biodiversity resulting from few ancestors.
The adaptive radiation is an evolutionary process in which diversification is appearing among a species, and it starts to fill in different ecological niches.
The adaptive radiation occurs when a species starts to evolve into multiple different species. The reason for the diversification is available space in the ecologic niches. The members of the initial species, start to exhibit new behaviors, new ways of feeding, change in coloration, all in order to be better suited for a specific ecological niche.
Answer: D
Explanation:
Which factors of Earth's position would contribute to long-term climate change?
A) its elliptical orbit and tilt on its axis
B) its distance from other planets and the tilt on its axis
C) the tilt on its axis and distance from the moon
D) its distance from the moon and its elliptical orbit
Answer:
A) its elliptical orbit and tilt on its axis
Explanation:
Earth revolves around the sun in an elliptical path. Its axis is tilted to about 23.5° from the vertical.
These two factors determine the global climate on the Earth.
Due to elliptical orbit, the earth is sometimes closer to sun than the rest of the time. When it is closer the global temperature rises by 5 degrees. Due to the tilt of the Earth, seasons occur. The hemisphere which points towards the sun has summers where as which points away has winters.
Thus, the long-term climate change is effected by elliptical orbit and tilt of the axis.
Answer:
Option (A)
Explanation:
The type of season and climate that earth experiences at different places are due to the earth's tilt and because of the earth's elliptical orbit. During its motion along the elliptical path, the earth moves from one place to another, as a result of which the distance from the sun increases and decreases at various location. This is one of the factors why one experiences a different type of seasons. The earth is tilted at an angle of 23.5°, and the northern hemisphere experiences summer when the earth's tilt is towards the sun, and the opposite side experiences winter.
When this tilt of the earth will change along with the change in its orbital path, then there will be simultaneous changes in the climate and seasons, which could lead to long term change in the earth's climate.
Thus, the correct answer is option (A).
This characteristic of hydrogen and oxygen make the water molecule polar: ______.
Water molecule is polar due to their tetrahedron shape that positioned an oxygen atom in the central position and two hydrogen atoms at both ends.
What do you mean by Polarity?Polarity may be defined as a property that exhibits an opposite charge in the same compound or molecule.
Both the hydrogen atom in the water molecules are negligibly positive, while the oxygen atom bears a negative charge. This differentiation in charge leads to hydrogen and oxygen atoms interacting with one another and making a molecule polar.
Therefore, this charge differentiation causes electrons more attracted to oxygen as analogized to hydrogen.
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Final answer:
The water molecule is polar due to the uneven sharing of electrons caused by the difference in electronegativity between oxygen and hydrogen atoms, leading to a partial negative charge on oxygen and a partial positive charge on hydrogen.
Explanation:
This characteristic of hydrogen and oxygen makes the water molecule polar: the uneven sharing of electrons and the difference in electronegativity between the oxygen and hydrogen atoms. Oxygen, being more electronegative with a value of 3.44, attracts the shared electrons more strongly than hydrogen, with its lower electronegativity of 2.20. Consequently, the oxygen end of the water molecule acquires a partial negative charge, while the hydrogen end acquires a partial positive charge. This disparity creates a polar molecule with a dipolar character, due to which the water molecule has a wide 'V' shape, and leads to the attraction of opposite charges between molecules, which is responsible for the formation of hydrogen bonds.
These polar covalent bonds and the bent shape of the water molecule contribute to its polarity, forming a slight positive charge on the hydrogen atoms and a slight negative charge on the oxygen atom. Because of this polarity, water exhibits properties of attraction, and these forces are significant in giving water its unique properties. Water attracts other water molecules as well as other polar substances, making it an excellent solvent for substances that are hydrophilic or 'water-loving'.
what is the texture and appearance of the potato strips after being immersed in various concentration of sucrose solution
Final answer:
The texture of potato strips changes when immersed in sucrose solutions due to osmosis–they become limp in hypertonic solutions and turgid in hypotonic solutions. The starch composition of potatoes affects their osmotic response.
Explanation:
The texture and appearance of potato strips after being immersed in various concentrations of sucrose solution will change due to the process of osmosis. When placed in a hypertonic sucrose solution (high concentration), water will move out from the potato cells, causing the strips to become limp and shriveled. Conversely, when placed in a hypotonic sucrose solution (low concentration), water will move into the potato cells, making the strips become turgid and firm.
Potatoes contain a significant amount of starch, a mixture of amylose and amylopectin. The type of starch affects the potato's texture when cooked and also responds differently to osmotic pressure when immersed in sucrose solutions. Starchy potatoes, with higher amylose content, may lose their firmness more rapidly in hypertonic solutions compared to waxy potatoes, which tend to retain their shape due to a higher amylopectin content.
what tends to increase genetic variation in a population A bottlenecks B disruptive selection C mutation D selective pressures
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Mutation tends to increase genetic variation in a population.
What is meant by Mutation?Any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or have no effect.Mutation tends to increase genetic variation in a population.
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Which energy source contributes the least to climate change
Renewable sources of energy do not contribute to global warming. Use of these resources rather helps in mitigating the global warming. A few example of these are hydroelectric power, wind generated power, solar energy, geothermal energy, tidal energy, biomass energy etc.
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↪ There are sources that are called RENEWABLE energy sources.
↪ These have NO EMISSIONS meaning they dont have any products that are Greenhouse Gases
↪ These can include things like solar and hydro power
↪ Hope this helpss :)))
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What is one result of meiosis?
A. A larger organism
B. Identical daughter cells
C. Repair of damaged cells
D. Formation of gametes
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B - identical daughter cells
What enzyme is responsible for adding the complementary base pairs during replication?
DNA polymerase
RNA polymerase
DNA ligase
RNA ligase
The answer is DNA polumerase ( its A)
hope this helps
Answer:
DNA polymerase
Explanation:
DNA polymerase is the enzyme of DNA replication. DNA polymerase uses the nucleotide sequence of template DNA strand and extends the primer by addition of complementary bases in 5' to 3' direction. It adds "thymine" base to primer for every "Adenine" base present in template strand. Likewise, "cytosine" base is added to primer for every "guanine" present in the template strand.
Which term describes the area of bedrock from which soil forms? A horizon parent rock B horizon mineral deposit
Answer
A
Explanation
The parent rock is the soil horizon that contains big unweathered rocks. As the rocks weather, they form the soil horizon above (from the substratum, subsoil) until the topsoil is fine and deep enough to support plant vegetation.
Answer:
A. horizon parent rock
Explanation:
Soil horizon is one the most distinctive features of the soil profile.The Soil profile consist of different layers known as horizons . The major layers of the soil is the top soil, the subsoil and the parent rock(Bedrock).
The parent rock is the bed rock which lies just below the subsoil. It has very limited amount of organic matter . it mostly comprises of rocks and stones . Generally, this layer is very hard . The bed rock area is also known as horizon C.
This area marks the region where the soil is form. The rock in this area are weathered to form the soil .So, this parent rocks determines the characteristics of the soil in that region.
Answer this riddle and you will get 50 points read carefully and you might be abled to get this right: imagine that you are in a boat with sharks that are surrounding you what do you do. I will in the comments put the right answer to you if you don’t get it right.
You could stop imagining.
Do you think humans will be able to genetically engineer future humans in your life time?
Do you think humans should be engineering human DNA?
Are there some events when we should? When we should not?
Yes, they could, but they shouldn't because there can be many mistakes. There are some such as if we want someone to be immune to some diseases. But we shouldn't if it's a situation that we want someone more beautiful!
The ethical considerations of genetic engineering human embryos involve selecting traits and addressing social inequalities driven by advancements like the Human Genome Project.
Genetic engineering of human embryos raises ethical questions surrounding selecting specific traits and potential social inequalities. While using gene therapy to prevent genetic diseases may be widely accepted, decisions involving traits like attractiveness and intelligence are more contentious. The Human Genome Project has led to advancements but also poses implications related to privacy and discrimination.
Cover crops grow between or under a main crop are called
Leguminous crops are often very good cover crops. Summer annual legumes, usually grown only during the summer, include soybeans, peas, and beans. Winter annual legumes that are normally planted in the fall and counted on to overwinter include Austrian winter field peas, crimson clover, hairy vetch, and subterranean clover. Some, like crimson clover and field peas, can overwinter only in regions with mild frost. Berseem clover will overwinter only in hardiness zones 8 and above. Hairy vetch is able to withstand fairly severe winter weather. Biennials and perennials include red clover, white clover, sweet clover, and alfalfa. Crops usually used as winter annuals can sometimes be grown as summer annuals in cold, short-season regions. Also, summer annuals that are easily damaged by frost, such as cowpeas, can be grown as a winter annual in the deep southern United States.
One of the main reasons for selecting legumes as cover crops is their ability to fix nitrogen from the atmosphere and add it to the soil. Legumes that produce a substantial amount of growth, such as hairy vetch and crimson clover, may supply over 100 pounds of nitrogen per acre to the next crop. Legumes such as field peas, bigflower vetch, and red clover usually supply only 30 to 80 pounds of available nitrogen. Legumes also provide other benefits, including attracting beneficial insects, helping control erosion, and adding organic matter to soils.
Intercropping is the practice of growing different types of crops in close proximity, which provides mutual benefits for all involved plants. The 'three sisters' method of planting squash, corn and beans is an popular example of this practice. The technique relies on principles of ecosystem services and is part of sustainable horticulture farming practices.
Explanation:The crops that grow either between or under a main crop are referred as a practice of intercropping. This is a method followed in many horticultural societies where plants that enhance each other's growth are planted side by side. A classic example is the "three sisters" planting method used in Mesoamerica where squash, corn, and beans were planted closely together in flat-topped mounds. The corn plants provide stalks for the bean plants to climb. The bean plants contribute nitrogen to the soil, which fertilizes the other plants. The squash plants spread across the ground, blocking weeds and protecting the root systems of the corn and beans.
This practice is very sustainable, thanks to the vast knowledge of these societies in farming. It operates on the principles of ecosystem services, using the diverse metabolic activities within the soil ecosystem to provide benefits to human food production, drinking water availability, and breathable air.
Horticulture is a sustainable form of farming that includes organic methods of fertilization and pest control. However, this method does deplete the nutrients in the top layer of soil over time, which is why it becomes necessary to let a plot lie fallow, letting the grasses and brush grow in naturally to promote the accumulation of fresh nutrients in the soil. This method of rotating crops over various plots of land is called extensive or shifting cultivation, as it involves multiple plots over large areas.
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What are the three main organs of seed plants
The three principal organs of seed plants are roots, stems, and leaves. fungi. Stems provide: a support system for the plant body.