Answer: reproduction
Explanation: the process by which an organism produces its offspring is called reproduction.
The Brainstem is the innermost region of the brain
<span>Connective tissue is the most abundant and widely distributed of the primary tissues. Connective tissue has three main components: cells, fibers, and ground substance. Together the ground substance and fibers make up the extracellular matrix. </span>
<span>please mark as brainliest.</span>
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<span>C. fish population decrease
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<span> They're the main site of photosynthesis in autotrophs.
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-Payshence xoxo</span>
