Nitrogen is a limiting factor in aquatic ecosystems. Suppose that runoff from a field washes nitrogen rich fertilizer into a pond containing a population of algae. Predict how the fertilizer will affect the carrying capacity of the pond for algae. 

Study the picture of the ocean. which is the best example of an organism’s niche shown in the picture? a. the environment contains several of the same species of coral. b. the shallow area of the ocean meets the needs of the coral and the fish. c. the ocean has fish and coral that live in the same area. d. the coral take in food from the water and provide shelter for the fish.

The carrier molecules of the electron transport system are located in the

The diagram shows a chicken embryo and a human embryo