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Evgen [1.6K]
3 years ago
14

In the analysis, you calculated heart rate averaged over 15 seconds and instantaneous heart rates. explain any differences betwe

en these values.
Biology
1 answer:
Anna007 [38]3 years ago
7 0
<span>The average heart rate is the number of heart beats counted in 15 seconds divided by 15 seconds. The instantaneous heart rate is the time it takes for a single heart beat. Since the heart can beat at varying rates, these values are not necessarily the same.</span>
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The question was incomplete as the diagram was missing, however, the correct diagram is attached with the answer -

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The correct answer is - scale

Explanation:

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Why do organisms have varying traits, like different colored eggs?
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the organisms have varying traits, like different colored eggs because of the natural selection.

<h3>What is the process of natural selection? </h3>

Natural selection is one of the main mechanisms of evolution. In a very simple way, we can say that natural selection is a process in which the fittest organisms are selected, survive in the environment, reproduce and pass their characteristics on to their descendants.

the color change of an egg occurs by natural selection and also by genetic variability. since the environment will select the best ones to survive and mutations will occur. Natural selection will forcefully change the environment causing only a few species to survive.

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2 years ago
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Answer:it is a

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The earliest hominid fossil, “Lucy,” is estimated to be 3.2 million years old. This early human-like species shares an important
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Bipedal posture allowed arms to be free to develop and use tools.

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