The FOXP2 sequences of mice were most different from those of
A. gorillas.
B. chimpanzees.
C. rhesus monkeys.
D. All had the same number of changes from the mouse sequence.
E. humans.
E. humans.
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How do phosphates from the oceans reach rivers and lakes?
a. Phosphates dissolved in evaporated sea water precipitate over lakes and rivers. b. Phosphates form sedimentary rocks that are then uplifted by tectonic activity. c. Phosphates from animal bones collect in rivers and lakes where they slowly dissolve. d. Phosphate-rich sediment from the ocean floor is carried inland by hurricanes and tropical storms.
Cattle egrets follow African ungulates such as African buffalo around and catch insects that the buffalo flush out. Oxpeckers perch on the backs of buffalo and feed on ectoparasites that infest the buffalo. Which one of the following shows the ecological interaction that the buffalo has with each bird?
A. cattle egret: mutualism; oxpecker: commensalism B. cattle egret: commensalism; oxpecker: mutualism C. cattle egret: competition; oxpecker: mutualism D. cattle egret: mutualism; oxpecker: mutualism E. cattle egret: commensalism; oxpecker: commensalism Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about symbiotic relationships and the qualifications for each? 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? Reflection 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?
What percent of Earth’s dry land is being used for agriculture?
a. 10 percent b. 25 percent c. 30 percent d. 45 percent e. 50 percent
Which of the following drugs specifically targets cell walls that contain mycolic acid?
A. vancomycin B. penicillin C. methicillin D. isoniazid E. bacitracin