If two species of birds occur in the same area but occupy different habitats they do not mate. This is an example of
A. mechanical isolation.
B. ecological isolation.
C. temporal isolation.
D. behavioral isolation.
Answer: B
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What is the relationship between species richness and recovery from natural disturbances?
a. Communities with more diversity do not recover from natural disturbances. b. Communities with more diversity experience more natural disturbances. c. Communities with more diversity recover less rapidly from natural disturbances. d. Communities with more diversity recover more rapidly from natural disturbances. e. There is no correlation between community diversity and recovery from natural disturbances.
There is a __________ flow of energy into and out of an ecosystem, and a cycling of materials among
resident species. Fill in the blank(s) with the appropriate word(s).
Which of the following statements about monocots is true?
a. They lack sclerenchyma tissue. b. They have a well-developed vascular cambium. c. They do not produce bark. d. Their lateral meristems give rise to wood. e. Secondary growth occurs rather slowly
What types of chromatin remodeling processes have been observed in vitro?
What will be an ideal response?