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deff fn [24]
2 years ago
6

Please answer!!!

Biology
1 answer:
weqwewe [10]2 years ago
4 0

Answer:

Energy comes in six basic forms: chemical, electrical, radiant, mechanical, thermal and nuclear.

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How I understand it, is like sperm. The seed slips in two.
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What does it mean to say that enzymes are specific in their action?
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<span>It means that they only act on certain types of substrates. Each enzyme is </span><span>specific in that they do not work for all molecules.</span>
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A researcher discovers a small molecule in muscle tissue that is rich in nitrogen, soluble in water, and lacks phosphorus. The m
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It seems that you have missed the necessary options for us to answer this question, so I had to look for it and here is the answer. When a researcher discovers a small molecule in muscle tissue that is rich in nitrogen, soluble in water, and lacks phosphorus, the <span> molecule also contains carbon, hydrogen, and oxygen, in uneven ratios. The molecule must be an AMINO ACID. Hope this helps. </span>
7 0
4 years ago
Read 2 more answers
Which of the following pairs represent homologous structures?
JulijaS [17]

Complete question:

Which of the following pairs represent homologous structures?

  1. Wings of grasshopper and forelimbs of flying squirrel
  2. Tentacles of Hydra and arms of starfish
  3. Forelimbs of a bat and forelegs of a horse
  4. Wings of a bird and wings of a moth

Answer:

3. Forelimbs of a bat and forelegs of a horse

Explanation:

Homologous characters are structures with the same basic elements. Their position in the body and the relations with adjacent structures are also the same in different organisms, and they even share the same embryological development.

These structures might show variations between the organisms exhibiting them. Variations might be related to their function and to the environment in which the organism lives. The function they accomplish is not necessarily the same in all the organisms involved.

These homologous characters are present in organisms related that share a common ancestor.

For example, whales, humans, and cats all have the same bones in the same order, but they matured differently in later embryological development.

Among the options, the only possible pair that represents homologous characters is option <em>3. Forelimbs of a bat and forelegs of a horse</em>. Both structures are the anterior extremities of the animals and share the same bones, even though they might differ in the development degree. Forelimbs and forelegs have the same position and relation with other structures in the body, and embryologically, they are the same.

8 0
3 years ago
Help!
oksano4ka [1.4K]

<u>Answer</u>: As the growth rate increases, the population size increases more rapidly. The slope becomes steeper.

An increasing growth rate means that more and more of the offspring will survive. Thus, this leads to a cumulative effect in which with an increasing growth rate, the slope becomes steeper.

If in the beginning only 1 out of 10 offspring will survive (r=0.1), then the population will increase with only one individual. However, if r=0.5 then 5 new individuals will be added. These in turn will be able to reproduce themselves with even higher r, which results in the cumulative effect mentioned above. The more individuals survive and the higher r, the faster the population size will increase.

No ecosystem is capable of sustaining such a growth for long periods of time. The population will reach and exceed a level called carrying capacity, which is the maximum number of individuals the ecosystem can sustain. Once this happens, the growth rate will be negative until the population size is once more under this level.

From now on, the population will vary around the carrying capacity with r switching from positive to negative in a continuous cycle. Furthermore, if this level is exceeded very much, then currently available resources will be consumed and thus the population size will plummet back to extremely low levels.

Locust swarms are a good example. The population size increases rapidly and devours all available food. If no more food can be found, then the majority of the individuals will die of starvation.

5 0
4 years ago
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