In ecological succession the first living things to colonize a hitherto barren area is called a

Radioactive parent elements will become stable daughter elements through the process of A. absolute dating. B. radioactive decay. C. radiometric dating. D. stabilization.

Which statements describe characteristics that are common to both plants and animals? Check all that apply. They have nuclei. They are autotrophs. They have cell walls. They are multicellular. They are heterotrophs.

Which of the following statements is NOT a possible outcome of antigen-antibody reaction? A) clonal deletionB) activation of complementC) opsonizationD) ADCCE) agglutination

The molecule of one atom of carbon and two atoms of oxygen would be written

What are the advantages and disadvantages of sexual reproduction?

Who are indian here?

Explain why the direction along which the electromagnetic wave travels is not the same as the direction along which the changing electric field is applied.

Which organisms transform nitrogen to a form that is useful to plants? bacteria animals algae humans

Explain how a shortage of water affects the health of your cells.

Name the appendages used for movement by organism belonging to protista