Diversity among members of a species is important because diversity A ensures high levels of competition.
B ensures high levels of competition.

C increases the available ecosystem resources.
D increases the available ecosystem resources.

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?