<span>A squirrel and an oak tree are both examples of individual organisms</span>
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Answer:
<h3>Asexual reproduction results in variations in DNA.</h3>
Explanation:
It prepares to fight danger or run from it. It identifies the primary source of danger.
An open circulatory system simply
means that the blood flows out of vessels and into the spaces or sinuses. Invertebrates,
insects and crustaceans has an open circulatory system where pump blood goes
into a hemocoel and diffusing back to the circulatory system between cells. In
other animals, the heart pumps the blood into the body cavities, spaces or
sinuses, where the blood surrounds the tissues.