The U. S. Fish and Wildlife service is responsible for protecting . A) migratory birds B) endangered species C) aquatic species D) all of the above

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

Anybody who knows ap biology, can you friend or message me

What was the land like over 500 million years ago? what was under the sea?