Cross two pea plants. Both are heterozygous for seed type; round (R) is dominant to wrinkled (r).

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a. control b. hypothesis c. procedure d. system

How is the carbon cycle related to global warming ?