One assumption about plant reproduction is that because it requires so much matter and energy, reproductive output is resource-limited. Which statement provides evidence that this assumption may be incorrect?
A) There is a correlation between the amount of sunlight a plant receives and how much fruit it produces.
B) Hand-pollinated plants produce more seeds than naturally pollinated plants.
C) Plants growing in moist conditions produce more flowers than plants growing in dry conditions.
D) Domesticated plants produce more seeds than wild plants.
Answer: B
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Research suggests that contamination of water by agricultural chemicals appears to____
a. increase sperm count b. decrease sperm count c. increase sperm motility d. eliminate sperm production completely e. have no effect on sperm
What pattern of inheritance results in Type AB blood?
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This is the stage of mitosis characterized by the alignment of the chromosomes in a ring along the inner circumference of the cell:
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