Movement because plants don't move and animals aren't miving constantly
The answer is A and here is everything written out, hope it helps! :)
Answer:Cro-Magnon, population of early Homo sapiens dating from the Upper Paleolithic Period (c. 40,000 to c. 10,000 years ago) in Europe. In 1868, in a shallow cave at Cro-Magnon near the town of Les Eyzies-de-Tayac in the Dordogne region of southwestern France, a number of obviously ancient human skeletons were found.
Explanation: don’t have an explanation sense I already learned this back when I was in middle school.
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Answer:
(I'm sorry, I got stuck between a and b. This was the best answer I could come up with)
Explanation:
Capillaries are meant to be small so blood cells could move through them in a single file line. If they were an bigger the blood stream would clog up and most of the blood cells won't be able to give nutrients or exchange gas
I believe it would be a good root system to hold it in place against the current