The role a species plays in its ecosystem is its ____.
A. function
B. habitat
C. ecological niche
D. geographical location
E. ecological job
Answer: C
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Which depositional landform is named after a Gaelic word meaning "rounded hill"?
A) moraine B) kame C) esker D) drumlin
Which of the following is the largest lithospheric plates?
A) Eurasian plate B) North American plate C) Pacific plate D) Antarctic plate
________ streams are not connected to groundwater systems and only flow after precipitation events
A) Ephemeral B) Temporary C) Intermittent D) Perennial
Certain forms of the element mercury move up through the food chain and into humans. What is primary problem that mercury is known to cause in people?
A. higher incidences of kidney cancer B. increased failure of metallic joint replacements C. severe hearing loss D. higher incidences of brain cancer E. birth defects and loss of cognitive ability in children