Symbiosis is defined as ________.
A. the relationship between herbivores and the algae that they graze upon
B. the grouping of organisms according to their ability to cope with exposure and water loss
C. a relationship between animals living on a mud flat and their environment
D. a close intimate relationship between two dissimilar organisms
E. None of these is correct.
Answer: D
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A welded igneous texture indicates that
A) there was a lot of gas in the magma. B) the rock cooled quickly. C) the rock broke apart as it flowed. D) the rock cooled slowly. E) the ash and pumice were hot and became compacted.
Which of the following is true about buffering?
A. You can either dissolve the buffer zones or keep the buffer zones separate and you can have the options of creating a single ring or multiple rings. B. You have the options of creating a single ring or multiple rings. C. You can buffer with different buffer distances. D. All of these are correct. E. You can either dissolve the buffer zones or keep the buffer zones separate.
In the context of economic development over the last 30 years, regional inequality across the globe
A) has declined with increased globalization. B) has increased with increasing globalization. C) has not worsened in countries like the United States and Scandinavia. D) is not evident in peripheral countries. E) is not evident in core countries.
What does NOT cause an area of rapids on a stream?
a. steepening of the channel slope b. bedrock in the stream channel c. the presence of a thalweg d. higher than normal water in the stream bed e. greater channel depth and water velocity