A fast-twitch muscle would: A. consume more ATP than slow-twitch fibers, but have fewer mitochondria. B. obtain energy mainly through glycolysis. C. have less resistance to fatigue than slow-twitch fibers. D. All of these choices are correct.

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.

Pulmonary arteries carry highly oxygenated blood. true or false?