Homo habilis likely evolved from an australopithecine ancestor
a. True
b. False
True
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Particles move along a streambed by:
a. rolling. b. sliding. c. saltation. d. rolling and sliding. e. rolling, sliding and saltation.
Which of the following correctly describes satellites?
A) They are DNA molecules in which long nucleotide sequences are repeated a few times. B) They are DNA molecules in which long nucleotide sequences are repeated many times. C) They are DNA molecules in which short nucleotide sequences are repeated a few times. D) They are DNA molecules in which short nucleotide sequences are repeated many times.
What fundamental concept states that in a horizontal sequence of conformable sedimentary strata, each higher bed is younger than the bed below it?
A) theory of superstition B) theory of correlative deposition C) law of superposition D) law of original correlation
The organisms potentially impacted by ocean acidification are ________.
A. echinoderms B. crustaceans C. mollusks D. coral E. all of these