In your own words, explain how the circulatory system of mammals makes a figured 8? Circulatory and Respiraton​

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.

stimulus is a change in the environment that causes an organism to react. the response is the reaction to the stimulus. some examples of stimuli for zebras are drought, to many predators, and bad feeding grounds such as dead grass or plants. zebras respond to stimuli just like all other living organisms

layer 3 is younger than layer 6.

plato users:

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there was a variety of food available on island x, but there were only large seeds and nuts on island y.