Which of the following pairs lists an r-selected organism followed by a K-selected organism?
A) grasshopper; whale
B) elephant; pine tree
C) elephant; whale
D) pine tree; dandelion
E) dandelion; pine tree
Answer: A
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In general, rates of glacial flow are greatest in the zone of ____________________.Fill in the blank(s) with the appropriate word(s)
Stream terraces along the sides of river valleys are usually evidence of:
a. mass wasting. b. trellis drainage. c. distributary channels. d. major changes in base level. e. wind action.
Cepheid Variables are stars whose brightness varies in a predictable manner so that the absolute magnitude of the star can be determined, and this allows the ________ of the star to be determined
A) size B) composition C) distance from Earth D) direction of motion E) velocity
What is the LEAST accurate statement regarding ocean composition?
A. Ocean water is less dense where salinity is low. B. Salinity is higher where evaporation is high. C. Deep ocean water is denser and colder. D. Ocean water is denser where salinity is high. E. Salinity is lower where evaporation is high.