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Biology, 21.06.2019 19:50
Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation.c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation.d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.
Answers: 3
Biology, 22.06.2019 10:30
During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing
Answers: 2
Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
Biology, 22.06.2019 14:00
Which of the following molecules can be broken down into simple sugars? a. nucleic acid b. protein c. lipid d. carbohydrate
Answers: 1
History, 24.09.2019 14:20
Mathematics, 24.09.2019 14:20
Mathematics, 24.09.2019 14:20
Computers and Technology, 24.09.2019 14:20
History, 24.09.2019 14:20
Mathematics, 24.09.2019 14:20
Chemistry, 24.09.2019 14:20
History, 24.09.2019 14:20
Computers and Technology, 24.09.2019 14:30