Two species cannot occupy the same niche because of which of the following?

a. communalistic principle
b. endosymbiotic principle
c. competitive exclusion principle
d. intraspecific competition principle


c. competitive exclusion principle

Biology & Microbiology

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Loss of function mutations are easier to study in _______ organisms, such as bacteria

A. haploid B. diploid C. triploid

Biology & Microbiology

Aerobic respiration does which of the

following?

a. increases the supply of ATP b. increases the formation of actin filaments c. increases the enzymes for glycolysis d. increases muscle size e. all of these

Biology & Microbiology

How many bones does the carapace of most turtles contain?

a. 40 b. 50 c. 60 d. 70

Biology & Microbiology

The polymerase chain reaction (PCR) has been used in all of the following fields, except 

A. gene mapping. B. medicine. C. forensics. D. evolutionary studies. E. None of the choices; it is useful for all these fields.

Biology & Microbiology