Certain genes/cells are activated/turned on (how ever you want to word it)
Answer:
cells
Explanation:
cells carry out functions for life
They survived by moving to new areas.
Angiosperms are the most diverse
and successful plant group. It has double fertilization which leads to the
formation of an endosperm. It also has a stamen with two pollen sacs. It has a
phloem tissue that is composed of sieve tubes and companion cells.
