Oysters produce a million eggs of which only a few find suitable habitat to live. They are said to be
A. density-dependent.
B. near carrying capacity.
C. r-strategists.
D. K-strategists.
Answer: C
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Daylight and nighttime hours are equal
A. during the equinoxes. B. in mid-January and mid-June. C. during the summer and winter solstices. D. They are never equal.
Explain how trade blocs are reshaping the region's geopolitics
What will be an ideal response?
The principle of underlying distance decay is friction of distance
Indicate whether the statement is true or false
How does a bridge promote erosion in a channel?
a. ?The bridge pilings interfere with the water flow, causing additional sediments to be deposited. b. ?The water velocity decreases, due to restricted flow over the floodplain. c. ?The water velocity increases, due to restricted flow over the floodplain. d. ?The channel height decreases, and large particles fall out, creating more surfaces for erosion to occur. e. ?A bridge does not promote erosion.