Answer:
B. Gravitropism
Explanation:
I think because gravity makes the roots go down???
Answer:
Scientists think that geographic isolation is a common way for the process of specification to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations. ... This may or may not be sufficient to cause specification.
Explanation:
Answer:
hey im really sorry that i couldnt answer your question it was really hard but i really hope someone does sorry
Explanation:
D.a system would be the answer.
