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Non-functional xylem in the center of a tree trunk is
A. Summerwood
B. Sapwood
C. Heartwood
D. springwood
Answers: 3
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Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.
Answers: 1
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Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body
Answers: 3
Biology, 22.06.2019 19:00
What characteristic makes a cell membrane selectively permeable
Answers: 1
Non-functional xylem in the center of a tree trunk is
A. Summerwood
B. Sapwoo...
A. Summerwood
B. Sapwoo...
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