The role birds play in ecosystems include

A. Provide nitrogen compounds to the environment

B. Both A and B

C. Being predators and prey.

D. Transplanting mollusks to freshwater habitats

Which is a correct example of a food chain? A. sun → hawk → cobra → mouse → rice B. sun → mouse → cobra → rice → hawk C. sun → rice → mouse → cobra → hawk

Who discussed the monomers of nucleic acids?

Why do different tropic levels have different amounts of energy?

A microbiologist is working with two genera of bacteria, A and B, to determine if cells are competent.

A client has diabetes insipidus and receives desmopressin (DDAVP). The nurse completes medication education and evaluates that learning has occurred when the client makes which statement? 1.

In 1986, Chernobyl, a nuclear facility, was the site of a major nuclear accident in what country?

When the rate of vibration of the vocal cords increases?

In a DNA molecule, which of the following forms a base pair with adenine? O A. Cytosine O B. Guanine O C. Thymine O D. Adenine

Wood lice are more active as they move from a dry area to a humid area. Which innate behavior are they displaying here?

During the early stages of embryo development, dolphins have gill pouches. What does this mean? a. Dolphins evolved from fish. b. Fish evolved from dolphins. c. Dolphin embryos go through a fish phase during development. d.