C. A seed grows
From the pollen
Answer:
While protozoans evolved early and have survived to the present day as unicellular organisms, they have undoubtedly undergone considerable evolutionary change. So the role they have is rather big because they where here from early days. Animals could of adopted and learned from them
Explanation:
Another name for unicellular organisms that dominated Earth up to the Precambrian time is prokaryotes. The correct answer is D.
Answer:
This is the study of life
