Evolution can occur at different rates; however, for evolution to occur, there must be *
A) variations within a species
B) extinction of the species
C) asexual reproduction
D) no change in the genes of an organism

Nteractions between organisms and their environment impact the organism’s overall population. oahu amakihi and kauai amakihi are two closely related species of hawaiian honeycreepers. they have a common ancestor, eat small insects and nectar, and like to nest in koa trees. however, one species is found on the island of oahu, and the other is found on the island of kauai. which concept shows the relationship between oahu amakihi and kauai amakihi?

The body is protected against harmful flu viruses by

Ascientific idea becomes valid when it is what?