Answer:
The basic unit of life is the <u>cell.</u>
The basic units of life are organized into <u>tissue </u>, which work together to perform the same function.
Explanation:
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In your behind and your corestoral
The period in which humans are able to reproduce is marked by the development of <span>secondary sex characteristics. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.</span>
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With aging, heart does not reamin the very efficient pacemaker.
<em>As a person ages, his or her levels of cardiorespiratory fitness tend to </em>: B. decline