<span>Answer: Cellular differentiation is responsible for one daughter cell becoming a sieve tube whereas the other becomes a companion cell. Cell differentiation occurs as different genes are switched on and off.
Hope this answer helps!</span>
The island's isolation provided a ecosystem that encouraged unique and specialized evolutionary traits in the flora and fauna on the island
Answer:
The continental crust is thicker than the
oceanic crust.
The answer is true. You’re welcome
b is the correct answer. hope this helps
