Which option describes a mass extinction?
А.
a large meteorite hits the Earth; many species r...
Biology, 07.04.2021 01:00, sarah19Nursing
Which option describes a mass extinction?
А.
a large meteorite hits the Earth; many species rapidly disappear from the fossil record
B. the amount of sunlight on Earth Increases; organisms of a single species increase in number
C. glaciers cover the Earth; many species rapidly increase in number and take over
D
a small volcano explodes; organisms of a single species disappear
Answers: 3
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What organelle other than the nucleus houses dna in a eukaryotic cell?
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In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.
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