Water because it is essential to human life.
Answer:
high reproductive rate (r-selected specied) pioneer species long lived high dispesal rate generalists high genetic variability
Explanation:
Answer:
The muscular system is the biological system of animals (including humans) that allows them to move internally and externally. The muscular system in vertebrates consists of three different types of muscles: cardiac, skeletal and smooth. Cardiac muscle is a striated muscle that makes up the heart.
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Answer:
Yes they do.
Explanation:
They do it by by growing, responding to the environment, transforming energy, etc.