One important effect of the lowering of sea levels during Earth's geologic history has been

A) the breakup of the continents.

B) the loss of fresh water sources.

C) the disappearance of inland seas.

D) the formation of new coral reefs.

Which features are formed by glacial deposition? Select three options. 1. kettle 2. loess 3. moraine 4 ... sandbar 5. till

The fact that DNA sequences are more similar in more closely related organisms is evidence of what

Which best explains why fungi are often called natural recyclers?

The phenomenon of fusion is likely to occur when, after a period of geographic isolation, two populations meet? their chromosomes are no longer homologous enough to permit meiosis. the hybrid zone is inhospitable to hybrid survival.

What is the difference between a transgenic plant and a plant produced through selective breeding

What do cells need to do between divisions to make sure that a full set of dna gets passed on to each daughter cell?

True or false: The central nervous system allows us to sense the environment

Which of the following statements is false regarding root hairs? a. they are outgrowths of endodermal cells c. they increase the surface area of the root b. they are outgrowths of epidermal cells d. they absorb water and nutrients

Why is it critical to divide the chromosome number in half?

The amino acid proline is one of the three amino acids that watson describes as having "special properties". what is special about proline?