Membrane-bound organelles are not found in the cells of?
a. bacteria.
b. fungi.
c. plants.
d. protists.

Are the earth's ocean floor and continents the same age geologically? why or why not?

Why did mendel use pea plants in his experiments? a. they have no alleles. b. they are haploid organisms. c. they reproduce quickly. d. they are all male.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above