The snail kite (Rostrhamus sociabilis) is a specialist that feeds on only one specific type of snail. By comparison, the Mallard Duck (Anas platyrhynchos) is a generalist that feeds on diverse food sources
Whereas the snail kite has a very limited range, the Mallard Duck has a very broad range. The snail kite's diet is an example of a(n)
A) habitat B) limiting factor. C) ecological niche. D) range of tolerance.
B
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What is a locally rich concentration of minerals that can be mined economically and is legally
recoverable with existing technology? a. ore b. ore minerals c. mineral deposits d. mineral reserves e. vein
The location with this ice cap climate is
A) in the northern hemisphere. B) in the southern hemisphere. C) in the northern subtropics. D) in the southern subtropics.
A hearth is
A) a region from which a phenomenon originates. B) the process by which a feature or trend spreads. C) an area defined by one or more distinctive features or trends. D) the modification of a culture as a result of contact with a more powerful one. E) the perimeter or boundary marked by a regional feature.
Which of the following best describes what an aquifer is?
A) An underground area of permeable rock or sediment that is filled with water. B) An aboveground lake that is fed by underground streams. C) An underground river that generally flows through cave networks. D) An underground water source that is superheated by volcanic activity producing plumes of steam aboveground.