Which part of a biosphere reserve has the most intensive human impact?
A. the core zone
B. the buffer zone
C. the multiple use zone
D. there is no human impact in a biosphere reserve.
E. there is the same amount of human impact throughout the biosphere reserve
Answer: C. the multiple use zone
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True or False: At its earliest stages, a logistic growth curve closely resembles an exponential growth curve
A. true B. false
The movement of water across a membrane in response to a gradient of solute concentration is called:
a. salinity. b. osmosis. c. solubility. d. diffusion. e. pressure.
Refer to Figure 53-2. At which point on the graph is the population increasing exponentially?
a. A
b. B
c. C
d. D
e. There is no exponential increase on this graph.
By definition, extreme halophiles require at least ________ M NaCl
a. 0.1 b. 1.5 c. 5 d. 10