Which plants do not have roots?
A) Bryophytes
B) Ferns
C) Angiosperms
D) Gymnosperms
A
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The water vascular system is not involved with: a. gas exchange
b. excretion. c. locomotion. d. sensing of light.
Provide evidence for the following statement. "At the time of Darwin's journey, geology was more influential in the development of evolutionary thought than was biology."
What will be an ideal response?
The rate of nutrient cycling in an ecosystem
A) depends only on the rate of photosynthesis. B) depends only on the rate of decomposition. C) does not depend on the rate of photosynthesis or the rate of decomposition. D) depends on both the rate of photosynthesis and the rate of decomposition.
Which statement is true?
A. There is no danger involved in recombinant DNA research in humans. B. There is no danger involved in recombinant DNA research in bacteria. C. There is no danger in releasing recombinant organisms into the environment. D. Stringent safety rules make the use of recombinant DNA research possible. E. Stringent safety rules make the use of recombinant DNA research impossible.