succession occurs in areas where there is already soil, but the plants and animal life there has been wiped out.

a. Secondary

b. Primary

c. Annual

d. All of these

Consider this plant cell which organelle is labeled g

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Areal dna molecule consists of thousands of these pairs of nucleotides. what is the pairing arrangement of the nitrogen bases