Which of the following correctly describes the importance of the nitrogen cycle?

to recycle carbon-based compounds

to replenish carbon in the atmosphere

to decompose dead plant matter

to create ammonia needed by plants to create proteins

The section of DNA within a chromosome that codes for a specific protein Is called

Which of the following statements is consistent with the assertion that protists are paraphyletic: a) protists are more primitive than land plants and animals b) protists all share a common set of synapomorphies c) some protists evolved into other

The energy you get from eating a peanut butter and jelly sandwich is in the form of

Discuss the order in which seed dispersal mechanisms could have evolved

What is an important difference between an everyday theory and a scientific theory? A) A scientific theory is the same thing as a hypothesis. B) An everyday theory is the same thing as a hypothesis.

When an ocean wave reaches shallow water the energy of the wave ... A. pushes water up B. Returns water to the ocean C. Becomes stronger D. Disappears

By what process do all living organisms grow and repair themselves?

What is the name of the heart's contraction?

Which describes the habitat of a frog?

The size of a population refers to the