In _________________, an exposed organism accumulates increasing amounts of a chemical pollutant in its tissues over the course of its lifetime.
A. atmospheric deposition
B. deforestation
C. desertification
D. bioaccumulation
E. biological magnification
Answer: D
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In what ways can biologists contribute to the challenges faced by humanity in the 21st century?
A. All of the answer options are correct. B. They can develop crops that yield more food in the face of changing environmental conditions. C. They can make predictions about how global change will impact species and communities. D. They can work with lawmakers to ensure that government policies are environmentally sound. E. They can develop new methods to fight diseases.
__________ is rapid diversification into new species that occupy novel niches. Fill in the blank(s) with the appropriate word(s)
Which of the following is a correctly written scientific name?
A) Australopithecus afarensis B) Homo sapiens C) musca domesticus D) Acer pensylvanicum
Myosin heads have binding sites for _____.
A. ATP and calcium B. ATP and actin C. tropomyosin and troponin D. actin and calcium E. tropomyosin and actin