The triangular-shape body of water that forms where a stream enters a larger body of water is a/an

Who discovered the cell

Which explains why different species are able to produce insulin? A. Insulin is a protein that all species produce in order to regulate metabolism. B. All living organisms have genes that are made up of the same components. C.

What is the difference between food web and food chain

A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining. This was a (n) a. hypothesis. c. observation. b. theory. d. control.

Which of the following presents the correct order of organization, from smallest to largest, is an organism like an animal

Identify one factor that could affect which color trait is selected for in a particular environment

Two species of crickets are indistinguishable (identical) to one another except for their mating songs, which have noticeably different pitches. Thus, the crickets will not mate.

How have human activities affected the phosphorus cycle?

Many animals such as goats, deer, and cattle have horns or antlers. What purpose do these structures serve? Question 7 options: They are used for ornamentation and for attracting a mate.

Which of the following is not a characteristic shared by all chordates? fins hollow nerve chord pharyngeal pouches notochord