Which of the following are symbiotic with corals?
A) polyps
B) zooxanthellae
C) silica
D) clownfish
B
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Which of the following statements about plant development is true?
A. The radial axis of the developing embryo develops before the root-shoot axis. B. A single gene is responsible for the control of all root and shoot formation. C. The MONOPTEROS gene (MP) stimulates chlorophyll synthesis in seeds. D. Gibberellic acid is important in root-shoot axis formation. E. Cells nearest to the suspensor ultimately form the root.
An ecologist samples the abundance of various species along an environmental gradient and fails to find clusters of species. Instead, peaks of abundance of dominant species are merely randomly spaced segments along a continuum
This distribution of species supports the A) unified concept of a community. B) organismic concept of a community. C) individualistic or continuum concept of a community. D) successional concept of a community.
An example of an animal already extinct, as a result of poaching, is the:a
rhino. b. passenger pigeon. c. macaw. d. Carolina parakeet. e. wolf.
Which of the following are examples of some things you should not wear in lab? (Choose all that apply)
> Closed-toed shoes > Short-sleeved shirts > Loose clothing > Flip-flops > Sandals > Dangling jewelry