Which factor in this marsh is biotic?

A. Oxygen

B. Water

C. Plants

D. Clouds

Organic compounds are made up of all except which of the following elements

Describe one niche in the ecosystem.

In his experiments, Mendel bred together plants with similar traits until he had distinct populations that were unvarying for those traits. Offspring of crosses of individuals within a population that always show the same trait are described as:

Which of the alternative energy sources do you think would have least impact on the environment explain.

Which statement is true about a scientific method

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins. True or False.

Which division of the plant kingdom is made up of plants that have flowers or fruit? A.) Angiosperms B.) Gymnosperms C.) Nonvascular plants D.) Seedless vascular plants

explain how the elimination of a predator from a ecosystem might result in starvation amongst its prey speies

What organs function using the photereceptors

Suppose you didn't water a plant for two weeks. What do you expect the stomata would do