Aquatic biomes are defined primarily by ________.

A. their salinity
B. their temperature
C. the dominant animals that live there
D. the dominant plants that live there


Answer: A

Biology & Microbiology

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Genetic drift occurs in a population. Which of the following statements might be true?

A) Genetic drift increased the population's fitness. B) Genetic drift decreased the population's fitness. C) The population was relatively small. D) The population experiences a decrease in genetic variation. E) Any of the statements can be true.

Biology & Microbiology

One reason plants often do not survive indoors is because they lack adequate amounts of:

A. water B. minerals C. light D. proper temperature E. All of these could be true

Biology & Microbiology

If an allele is dominant, then:a

its phenotype is only expressed in heterozygous individuals. b. its phenotype is expressed only in homozygous individuals.. c. one allele can mask the expression of a recessive allele in a hybrid. d. its phenotype is always expressed in all generations. e. its phenotype is more beneficial than the recessive phenotype.

Biology & Microbiology

The amount of antibody present in the blood is termed the antibody ________

A) titer B) effector C) affinity D) isotype E) specificity

Biology & Microbiology