How are sponges and the coral in coral reefs similar? A. Both are a source of chemicals that may be used to fight human diseases, such as cancer.
B. Both release large amounts of oxygen into ocean waters, and the oxygen is eventually used by humans to breathe.
C. Both are widely found in deep, cold oceans as well as in warm, shallow waters.
D. Both are small ecosystems that do not have a heavy impact on other organisms.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.

There are  advantages  to being  multicellular  rather than unicellular. these include allowing: the  organism  to be larger.

Basalt rock can be rough or maybe smooth