The first forms of life on Earth were thought to be_________.
a. single-celled plants
b. prokaryotes
c. insects
d. large animals such as dinosaurs
Answer: a. single-celled plants
The first forms of life on Earth were thought to be_________.
a. single-celled plants
b. prokaryotes
c. insects
d. large animals such as dinosaurs
Answer: a. single-celled plants