What was pangaea? when did it form and when did it break apart? it was a) a large ocean basin that opened in the triassic and closed in the paleocene b) the supercontinent that formed in the late paleozoic and broke apart in mesozoic c) the huge mountain range formed when africa pushed northward into europe in eocene time d) a large, precambrian shield area of africa and south america that broke apart early in the proterozoic

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.

This diagram shows how seed plants are grouped. which is the missing label? bryophytes angiosperms pteridophytes monocots