Genetic drift can eliminate alleles from a population more quickly than natural selection
a. True
b. False
ANSWER: True
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A new mammal has been discovered in the thickly-forested mountains of Papua New Guinea. The squirrel-like animal lives in the canopy of the forest and has a diet rich in leaves. On occasion, however, the animal drops to the ground to quickly fill its cheeks with its own fecal droppings, for ingestion once it is safely back in the trees. The GI tract of this animal would most likely include ____________.
A. a simple stomach and a large cecum B. a simple stomach, a short small intestine and colon, and a small cecum C. a short intestine and no cecum D. a long small intestine with abundant villi and an appendix at the beginning of the large intestine E. a four-chambered stomach and long intestines Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the intestinal tract of an animal that performs coprophagy? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
In a scientific experiment, the investigator measures the response of the ________ variable(s)
A. dependent and independent B. control group C. dependent D. standardized
All of the following are true of Gram-positive
bacteria EXCEPT a. Some species are used to make popular foods. b. Some species lower the pH of skin and vaginal linings. c. Some species form endospores. d. Some species cause anthrax, tetanus, and botulism. e. Some species are used as vectors in genetic engineering.
In convergence, a single neuron is controlled by signals from two or more presynaptic neurons
____________________ Indicate whether the statement is true or false.