1. In two to three paragraphs, name your ecosystem, tell where it is (including state and nearest town), state its limits, discuss why defining limits is important, and include any data you collected during your study of the physical limits of the ecosystem. Explain why this ecosystem is an open system. You may include a photograph or map of your ecosystem, but these are not mandatory. Be clear, thorough, and scientifically accurate.
The Amazon rainforest in Brazil is used as an example of an ecosystem. Defining the physical limits of an ecosystem is essential to understand the interactions between organisms and their environments. This ecosystem is considered an open system because it exchanges energy and matter with its surroundings.
Explanation:The ecosystem under consideration in this response is the tropical rainforest located in the Amazon in Brazil. The nearest town to this ecosystem is Manaus, a city in the heart of the Amazon rainforest. The physical limits of this ecosystem are determined by geographical factors such as the Amazon River and changing climate conditions.
Defining the physical limits of an ecosystem is crucial to understand the interactions between organisms and their environment, both biotic (living) and abiotic (non-living) elements. Data collected showed how nutrients and energy flow from one organism to another, and between organisms and the abiotic components like air, water, soil, and sunlight. This Amazon rainforest is an open system because it exchanges energy and matter with its surroundings.
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When is mitosis complete?
A. When two nuclei have formed
B. When spindle fibers form
C. When chromatids are produced
D. When organelles are produced
A cellular process of the dividing cell and its content from the original cell is called mitosis and it generally occurs in all the somatic cells.
When mitosis is complete then two nuclei are produced.
What is the process of mitosis?When the original parent undergoes replication and splits to produce identical cells with the same ploidy are called mitosis.In this step of cell division, the nuclear genetic and cytoplasmic material of the previous cells splits in such a way that it divides and separates equally into two cells.Therefore, option A. two nuclei are produced is correct.
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___________________ are colored chemical compounds that absorb light.
The chloroplasts are colored chemical compounds that absorb light.
Where Chloroplast present?The chloroplasts present in an organelle of plant cell and certain algae.
What is function of Chloroplasts?The function of chloroplasts is to convert light energy into chemical energy through photosynthesis process.
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In pea plants, the allele for tallness (t) is dominant to the allele for shortness (t). in the cross between a tall pea plant and a short pea plant shown below, what is the probability that the resulting offspring will be tall?
The probability that the resulting offspring will be tall is [tex]$\boxed{\frac{1}{2}}$[/tex] or 50%.
In pea plants, the allele for tallness (T) is dominant over the allele for shortness (t). When a tall pea plant, which can either be homozygous dominant (TT) or heterozygous (Tt), is crossed with a short pea plant, which is homozygous recessive (tt), the resulting offspring will have one allele for tallness and one for shortness (Tt).
Here is the Punnett square for the cross between a tall (Tt) and a short (tt) pea plant:
```
T t
T | TT Tt
t | Tt tt
```
Since the tall parent can be either TT or Tt and the short parent is tt, the possible gametes for the tall parent are T and t, and the only possible gamete for the short parent is t. This results in two possible genotypes for the offspring: Tt and tt.
However, since the allele for tallness (T) is dominant, the genotype Tt will result in a tall phenotype. The genotype tt will result in a short phenotype. Therefore, there is a 50% chance of getting a tall offspring (Tt) and a 50% chance of getting a short offspring (tt).
Thus, the probability of the offspring being tall is [tex]$\boxed{\frac{1}{2}}$[/tex].
What is a characteristic of body cells that requires large amounts of energy?
explain the process of mitosis in a tissue culture for cancer cells
Answer and explanation;
-Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
-In tissue culture, cancer cells are taken from a living organism and grown in a culture. Cancer cells grow at an uncontrolled rate. Cancer cells do not stop growing when they are touching; they continue growing. Cancer cells grow multiple layers thick. Cancer cell growth differs from normal cell growth and the number of mitotic divisions are unlimited.
-Producing three or more daughter cells instead of normal two is a mitotic error called tripolar mitosis or multipolar mitosis (direct cell triplication / multiplication). Other errors during mitosis can induce apoptosis (programmed cell death) or cause mutations. Certain types of cancer can arise from such mutations.
Answer:
Explanation:
Cancer cells are taken from a living organism and grown in a culture.
Cancer cells grow at an uncontrolled rate.
Cancer cells do not stop growing when they are touching; they continue growing.
Cancer cells grow multiple layers thick.
Cancer cell growth differs from normal cell growth and the number of mitotic divisions are unlimited.
Compare neap and spring tides. Give two comparisons in your answer.
Understanding the salinity of aquatic environments is unimportant in understanding the overall ecosystem
True or False.
Answer:
The correct answer is False
Explanation:
Students graphed the growth rate over several weeks of two plants in their classroom. The equations of both plants are given where x represents the time in weeks and y represents the heights of the plants in inches.
Plant A: y = 1.8x + 3.1
Plant B: y = 2.3x + 1.9
Approximately how many weeks will it take for both plants to reach the same height? Round your answer to the nearest tenth.
1.9 weeks
2.4 weeks
3.1 weeks
7.4 weeks
Answer:
Answer is B
Explanation:
took it on edge, it was right.
Walking and running both have low impact on joints. True or False The answer is False. Walking is a low impact activity and is potentially less damaging to the joints.
Answer: False
Walking and running are two physical activities performed by living beings. Both of these actions are performed by combination of skeletal and muscular systems. The skeletal system involves bones and joints. The fusion of bones is facilitated by joints. While walking or running the entire mass of the body is exerted on the lower joints of legs which facilitates their movements.
Walking is a low impact activity and is potentially less damaging to the joints whereas running can be dangerous if not maintained in a proper posture.
Further Explanation:
Joint pain is one of the common issues which refers to discomfort, aches, as well as soreness in the body’s joints. This results due to illness or injury. In the case of running and walking, the body mainly engages large muscle groups of hamstrings, gluteals, and quadriceps. When walking, the foot contacts the ground in the heel strike and while running, the people land either on the middle of the foot or on the ball of the foot. Due to this, running has more impact on the joints as compared to walking.
Walking is beneficial and may aid in reducing the inflammation as well as stiffness. It will not make chronic knee worse. Walking is preferred by the individuals having arthritis and may also aid in improving their condition.
Walking mainly strengthens the muscles and aids in shifting the pressure of the body from the joints and also helps in lowering the pain. This elevates the strength well as balance and also aids in improvising the overall health of the individual. This also aids in attaining as well as maintaining a healthy weight, thereby, lessens the body on the joints and also helps in improving the symptoms of arthritis.
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3. Learn more about bone https://brainly.com/question/4557690
Answer Details:
Grade: High school
Subject: Biology
Chapter: Human skeleton and locomotion
Keywords:
Walking, running, joint pain, joint injury, body, hamstrings, body, quadriceps, arthritis.
Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. Because of this, we would expect osteoblasts to contain numerous?
Given their role in protein and hormone production, osteoblasts are expected to contain numerous ribosomes and endoplasmic reticulum. These organelles are essential in protein synthesis and folding.
Explanation:Osteoblasts, which are immature bone cells, primarily work to produce the protein known as osteoid and some hormones. Because of these functions, we would expect osteoblasts to have many ribosomes and endoplasmic reticulum.
Ribosomes are responsible for creating proteins, while the endoplasmic reticulum plays a vital role in the production and folding of proteins, including hormones. Therefore, it's crucial for osteoblasts, which are highly active in protein synthesis, to have an abundance of these organelles to carry out their functions efficiently.
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Enzymes affect the reactions in living cells by changing the
Select one:
a. products of the reaction.
b. speed of the reaction.
c. temperature of the reaction.
d. pH of the reaction
Neurons have _ forms
A) Different
B) the same
Think about your house, condo or apartment. What part of your home would be like the mitochondria of the cell? Why?
The part of a home like the mitochondria of a cell is the power generator or electricity supply, as both provide essential energy for their respective systems to function.
Explanation:If we compare the parts of your home to the organelles in a cell, the part of your home that would be like the mitochondria of the cell is the power generator or electricity supply. Mitochondria are often referred to as the "powerhouses" or "energy factories" of a cell because they produce adenosine triphosphate (ATP), the cell's main energy-carrying molecule. This is similar to how a power generator or electricity supply in a house provides the energy needed for all electrical appliances to function.
The mitochondria perform a critical function of cellular respiration, transforming the chemical energy found in nutrients like glucose into ATP. Just like in our homes, where electricity is critical for lighting, heating, and powering appliances, the ATP produced by mitochondria is essential for various cellular processes that keep the cell alive and functioning. Both serve as the central energy source that enables other systems to operate efficiently.
Before 1800, most peppered moths in England were light–colored. During the Industrial Revolution, soot and industrial wastes darkened tree trunks. Gradually, the light–colored moths became rare, and the dark–colored ones became abundant. What role did natural selection play?
Answer:
Natural selection allowed physically fit dark colored moths to survive and mate to produce more physically fit offspring.
Explanation:
Due to their dark color, the dark colored moths were not identified by their predators easily. However, the light colored moths were easily identified and preyed upon.
In this way the population of light colored moths reduced largely, thereby allowing more and more mating of light colored moth with dark colored moth or mating of dark colored moth with another dark colored moth so that environmentally fit offspring could be produced which have the capability to save themselves from the predator or any other harm.
In this way natural selection allowed a shift in color of moth from lighter shade to a darker shade.
In the early days of germ theory, contagious diseases were thought to be caused by fungi or bacteria. In the 1890s, Dmitri Ivanovski filtered extracts from diseased tobacco plants and discovered that the disease could be transmitted to new plants through the filtrate. He concluded that the disease was caused by particles smaller than bacteria: the tobacco mosaic virus.
Which best explains how Ivanovski’s work led to a change in the germ theory?
He tried to promote his hypothesis as a law.
He used a new experimental method to test his hypothesis.
He used a more powerful bacterial strain than other scientists had.
He obtained results that confirmed what other scientists were thinking.
the answer is B HE USED A NEW EXPERIMENTAL METHOD TO TEST HIS HYPOTHESIS
An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in?
Animalia
Protista
Plantae
Eubacteria
Answer: Its Protista
Explanation:
The correct answer is Protista as it has a cell wall, autotrophic, unicellular, and eukaryotic.
An organism has the subsequent characteristics: molecular wall, autotrophic, unicellular, and eukaryotic.
The organism belongs to the Protista.Hence the proper solution is B. Protista.The Protist is eukaryotic with the aid of using its capabilities and differs from the fungus, plant life, or animals.These organisms are grouped collectively for convenience.Seaweed belongs to the dominion protist.What are protists?Protists are a collection of all of the eukaryotes that aren't fungi, animals, or plants. As a result, it's far a completely numerous institution of organisms. The eukaryotes that make up this kingdom, Kingdom Protista, do now no longer have lots in not unusual places except an exceptionally easy organization.
Hence clear it is that Protista has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic.
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When analyzing relationships among a particular group of taxa, how does a biologist decide which trees are the most parsimonious?
Domain analysis techniques provide broad and general analysis results, but are not yet detailed and are still comprehensive. If what is desired is a result of analysis focused on a particular domain or sub-domain, the researcher must use taxonomic analysis techniques.
Further explanation
After the researcher analyzes the domain, the domain chosen by the researcher is then determined as the focus of the study, it needs to be deepened through data collection in the field. Data collection is carried out continuously through observation, in-depth interviews and documentation so that the data collected becomes a lot. This stage requires a taxonomic analysis.
At the taxonomic analysis stage, researchers attempt to understand certain domains according to the focus of the problem or research target. Each domain begins to be understood in depth, and divides it again into a domain, and from sub-domains are broken down into more specific parts until there is no more left, aka exhausted. At this stage of the analysis the researcher can explore important domains and sub-domains through consultation with literature to gain a deeper understanding.
Taxonomic analysis is an analysis that is not just a general exploration, but an analysis that focuses on a particular domain that is very useful to describe the phenomenon or problem that is the target of study. So the conclusion is that taxonomic analysis is an analysis of all data collected based on a predetermined domain. The results can be presented in the form of box diagrams, line and node diagrams.
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Class: high school
Subject: biology
Keywords : taxonomic analysis, techniques, exploration
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A caterpiller eats the leaf and a bird eats the caterpiller in this interaction the bird is a?
Final answer:
In the described interaction, the bird preying on the caterpillar is a carnivore and a secondary consumer in the food web.
Explanation:
In the interaction where a caterpillar eats a leaf and a bird eats the caterpillar, the bird is acting as a consumer. Specifically, the bird is a type of consumer known as a carnivore because it eats other animals. In this case, since the bird consumes the caterpillar, which is itself an herbivore-consuming plant material, the bird falls into the category of a secondary consumer in the food web.
How hot is wasabi in Scoville units?
Answer:
it can not be measured by the Scoville scale.
Explanation:
Where does digestion take place
The widespread loss of wetlands would have little effect on the overall health of the environment.
True or False?
its false/////////////
Answer: False
Explanation:
The wetlands are the shallow land regions which are occupied with water seasonally, permanently or temporary. These receives water from sources like river, lakes, ponds, rain and melting of glaciers.
The widespread loss of wetlands would have little effect on the overall health of the environment is a false statement because of the fact that wetlands can effect the climatic condition of a region as well these also maintain the biodiversity of the locations where they form. If the wetlands are lost the climatic condition of the locations will be adversely affected and the biodiversity will be reduced.
Which organelles are found in both plant and animal cells?
10. Systematists categorize all living creatures into what three domains?
a. Bacteria, Euglena, Eukarya
b. Bacteria, Archaea, Eukarya
c. Archaea, Plantae, Eukarya
d. Protista, Plantae, Eukarya
e. Prokaryota, Eukarya, Plantae
10. Systematists categorize all living creatures into what three domains?
a. Bacteria, Euglena, Eukarya
b. Bacteria, Archaea, Eukarya
c. Archaea, Plantae, Eukarya
d. Protista, Plantae, Eukarya
e. Prokaryota, Eukarya, Plantae
A reaction occurs when solid X is placed into solution Y. As a result, the temperature of the new solution increases by 3°C. The temperature rises another 2°C when more of solid X is added to the solution. What does this indicate about the effect of adding more solid?
The right answer is a.it increased the number of molecular collisions.
Thermodynamic temperature is a formalization of the experimental notion of temperature and is one of the main magnitudes of thermodynamics. It is intrinsically linked to entropy.
Usually denoted T, the thermodynamic temperature is measured in kelvins (symbol: K). Often referred to as "absolute temperature", it is an absolute measure because it directly reflects the fundamental physical phenomenon that underlies it: the agitation of the particles constituting matter (translation, vibration, rotation, electronic energy levels ) there is a directly proportional relationship between the number of molecules present in a solution, the number of collisions (increased by the number of molecules), and the temperature (increased by the number of collisions).
Where would the majority of fresh water on earth be found?
The process of replication is very accurate. there are about ___ Error in Every ______ Bases.
Answer:
The process of replication is very accurate. there are about 120,000 Errors in Every 6 Billion Bases.
Due to human activity, the temperature of the ocean has increased to above normal conditions, causing coral bleaching to occur. What consequence on ocean ecosystems will this event most likely have?
Larger animals, like marine mammals, must adapt to new sources of food.
More sediment in the water blocks sunlight from reaching the reef system.
Reef food webs are being disrupted and significantly losing biodiversity.
The water is becoming more acidic, causing shells of plankton to weaken.
Answer:
The answer is C - Reef food webs are being disrupted and significantly losing biodiversity.
Explanation:
Which of these statements most likely describes what happens if DNA is not duplicated during interphase?
A.
The new cells would be more numerous.
B.
The new cells would have an incorrect number of chromosomes.
C.
The new cells would have too many chromosomes.
D.
The new cells would have too many or too few nuclei.
Suppose that the volatile impurities in the crucible are not burned off while cleaning the crucible but are removed during the experiment. Is the reported mass percent of water in the hydrated salt too high or too low?