Which of the following is NOT involved in the

nitrogen cycle?
a. denitrification
b. weathering
c. nitrogen fixation
d. ammonification
e. decomposition


Answer: b

Biology & Microbiology

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______ are where saltwater and a source of freshwater mix.

a. Wetlands b. Estuaries c. The benthic zone d. Channels

Biology & Microbiology

Which is NOT an example of coevolution?

a. insect and flowering plant b. predator and prey c. host and parasite d. model and mimic e. sharks and dolphins

Biology & Microbiology

Which of the following is not part of Darwin's mechanism of evolution?

a. overproduction of offspring b. competition among organisms c. acquiring traits because they are needed d. differential reproductive success e. genetic variation among individuals

Biology & Microbiology

Infectious agents known as (endospores/cysts/prions) are the most resistant to antimicrobial agents or processes.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology