Answer:
1. c
2. d
3. a
4.b
Explanation:
I numbered the first four boxes a, b, c, and d, and the slots where they go in 1, 2, 3, and 4 going down.
Answer:
aorta
Explanation:
The aorta and its branches carries the blood to all the body's tissues.
They are cerebral ventricles
Answer:
Since it will help the individual live longer, there is a greater chance that it will reproduce than those with lesser favorable traits. Thus the next generation will resemble the parents with the favorable triat more.
Explanation:
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