Which of the following is characteristic of adaptive traits?
a. artificially selected characteristics that make organisms more likely to survive and reproduce under a given set of environmental conditions
b. hereditary characteristics that make organisms more likely to survive and reproduce under a given set of environmental conditions.
c. naturally selected characteristics that make organisms more likely to become extinct under a given set of environmental conditions
d. hereditary characteristics that make organisms more likely to become extinct under
Answer: b. hereditary characteristics that make organisms more likely to survive and reproduce under a given set of environmental conditions.
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Mitochondria most resemble _____
a. anaerobic bacteria b. archaeans c. cyanobacteria d. aerobic bacteria e. early eukaryotes
Which Greek letter is typically used to represent water potential?
a. Greek letter ? b. Greek letter ? c. Greek letter ? d. Greek letter ?
Which one of the following statements best summarizes the use of transgenic crops over the last 10
years? A. It has increased significantly in both industrialized and developing nations. B. It has increased significantly, but only in industrialized nations that have the expertise. C. It has increased significantly, but only in developing nations where regulations are loose or non-existent. D. It has barely increased at all because of technical difficulties and safety concerns. E. It has fallen due to technical difficulties and safety concerns.
Chromosomes are duplicated during which phase of the cell cycle?
a. M b. D c. G1 d. G2 e. S