How long does adaptation usually take? (Plant) 1.a decade
2.an hour
3.A few days
4.Centuries

The best instrument to use to separate the liquid portion from the solid portions in whole blood is a(an) a. compound light microscope. c. test tube. b. centrifuge. d. electron microscope.

Which best describes how sediment forms? loose material is cemented by pressure. erosion breaks down rock and other material. molten rock cools above earth's surface. chemical changes cause sediment to compact together.

The rate of speciation is most likely to increase when