According to the theory of island biogeography which of the following scenarios would be expected to have the fewest number of species (lower species richness)?
a. old islands, close to mainland
b. small island, close to the mainland
c. small island, further from the mainland
d. large island, further from the mainland
e. large island, close to the mainland

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

What advantages does a pedigree have over a written passage?

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.