Based upon the kind of aggression exhibited by male crickets, Alexander (1961) classified the cricket encounters into ______ levels.
A. Three
B. Four
C. Five
D. Six
Ans: C. Five
Biology & Microbiology
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A rise in oxygen in Earth's air and seas put organisms that engaged in _____ at a selective advantage
a. aerobic respiration b. fermentation c. photosynthesis d. sexual reproduction
Biology & Microbiology
WHAT DOES NATURAL SELECTION RESULT IN
What will be an ideal response?
Biology & Microbiology
In which biome of Africa would you find lions, giraffes, and elephants?
a) savanna b) chaparral c) desert d) tropical rain forest
Biology & Microbiology
One species of moss in upstate New York produces gametes in May, and another species of moss in the same region produces gametes in June. This is an example of a(n) ________ isolating mechanism
Fill in the blank(s) with correct word
Biology & Microbiology