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