Which of the following do all living things have in common?
A. All living things eat other living things for energy
B. All living things breathe oxygen
c. All living things are made up of at least one cell
D. All living things are made up of many cells.

What is the problem in this article? what solution does the article propose?

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.

What's wrong with this ecological pyramid? (multiple choice)1. secondary consumers should be at the bottom of the pyramid2. the sun has an arrow leading to decomposers 3. primary consumers should come after the sun4. energy retained should increase from the bottom to the top5. the sun should be at the bottom of the pyramid