In the united states, the only two spiders with dangerous bites are the

a. black widow and tarantula.
b. tarantula and scorpion.
c. scorpion and brown recluse.
d. brown recluse and black widow.

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 probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?