Predation is considered to be a(n) ________ factor.
A. Biotic
B. Abiotic
C. Extrinsic and biotic
D. Intrinsic
E. Extrinsic
Answer: C
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Subsidence in the Gulf coast is mainly due to ____
A) ?tectonic activity B) ?emptying of a volcanic chamber C) ?coastal erosion D) ?sediment compaction
What is the size (diameter) of volcano ash?
a. < 0.2 millimeter b. < 2 millimeter c. 2 -5 millimeter d. 5 ~ 10 millimeter
The medium ground finches (normally distinguished by a range of beak sizes) that survive drought conditions in the Galapagos are able to eat the large and tough seeds from the fever plant. This survival can be described best as ________
A) directional selection B) genetic drift C) stabilizing selection D) disruptive selection E) the founder effect
The Canadian Parti Québécois
A) promotes French-language cultural values and advocates sovereignty. B) promotes French as a vigorous language. C) promotes French as a standard language. D) promotes French-language cultural values and unification with France. E) promotes a stronger literary tradition of French.