In summer, a(n) ____________________ prevents upper and lower waters from mixing, causing low oxygen content in deeper waters.

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


thermocline

Biology & Microbiology

You might also like to view...

The presence of a group of antigens that determine blood type is an example of a(n) ____________

A. semilethal allele B. sex-linked trait C. multiple allele system D. incomplete dominance

Biology & Microbiology

The enzyme nitrogenase is most directly involved in the process called ____

a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation e. nitrogen assimilation

Biology & Microbiology

Which of the following female organisms do

NOT contain XX chromosomes?

a. humans b. fruit flies c. cows d. butterflies e. cats

Biology & Microbiology

What percentage of insects species are phytophagous (feed on plants)?

a. About 10% b. About 20% c. About 30% d. About 50%

Biology & Microbiology