Answer questions 38–42 in reference to the four “habitat” items
listed below.
a. habitat fragmentation
b. habitat island
c. habitat loss
d. habitat
M 38. This describes where a species lives.
M 39. This reduces a habitat’s area, making species more
vulnerable to extinction.
M 40. This could be the result of chemical pollution.
D 41. This is an inhabited area surrounded by unsuitable
habitat.
D 42. This action may result in a lack of sufficient
resources to sustain the population.
Answers: 38. d, 39. c, 40. c, 41. b, 42. a
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Following reports that stained chromosomes "disappeared" while observing cell division, scientists in the early 1900s determined the molecule of heredity to be
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Indicate whether the statement is true or false