<span>b The growth of teeth in chickens supports the hypothesis of a common ancestor between birds and reptiles. This is a generally accepted hypothesis, and i'd go with this answer. Obviously we can't say whether chickens will have teeth with certainty, the chickens with teeth are clearly still chickens, and a baby croc isn't hatching out of a chicken egg any time soon.
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Answer:
B ) Contain cells that connect to form pipes.
D ) Transport water and food.
Explanation:
Vascular tissue is a conducting tissue, meaning multiple cell types can be found. Their functions are to transport fluids and nutrients. To do this, they need cells that connect to form tube like pipes.
<span>They have very stable outer electron shells</span>
I am pretty sure the answer is
D) Velocity
Glad I could help, and good luck!
AnonymousGiantsFan
Answer:
D
Explanation:
It is often like this: cell->tissue->organ->system