Which of the organisms below give support for the colonial theory of animal origins?
a. Spriggina
b. choanoflagellates
c. Ediacarans
d. trilobites
e. club fungi
ANSWER: b
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In most food webs, chain lengths are
A. complex. B. long. C. short. D. sixteen. E. two.
The 3-day test that is useful for identifying the rapid-growers, M. fortuitum and M. chelonae, and that measures the rate by which this enzyme breaks down phenolphthalein disulfate into phe-nolphthalein and other salts is the ____________ test
a. niacin. b. phenolphthalein. c. arylsulfatase. d. Tween 80.
During implantation, the zygote can be found
A. in the endometrium. B. in the labium majora. C. in the labium minora. D. in the abdominal cavity. E. in the oviduct.
The chemical reaction that converts nutrients into specific molecules required by the organism to support its cells and cell activities is
A. nutrition. B. integration. C. assimilation. D. responsiveness.