When a single species evolves into two species, the new species must
A) be reproductively isolated.
B) evolve different diets.
C) be exposed to the same selective pressures.
D) live on a different continent.
A
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A model is a useful simplification of a more complex reality
Indicate whether the statement is true or false
A body of water that is smaller than an ocean and partially landlocked is known as a ________
Fill in the blank(s) with the appropriate word(s).
__________ is considered the world's second-largest religion.
a. Buddhism b. Islam c. Christianity d. Judaism e. Hinduism
A dam breaks and stream stage is being monitored just below the dam and several kilometers downstream. Which of the following is true?
A. The flood will produce identically shaped peaks on the hydrographs at both places. B. The downstream hydrograph will show a lower, broader peak. C. Overall stream discharge will be unaffected; hydrographs will show no changes. D. The upstream hydrograph will show a lower, broader peak.