In a __________, water or some nutrient moves from an environmental reservoir, through organisms,

then back to the environment. Fill in the blank(s) with the appropriate word(s).


biogeochemical cycle

Biology & Microbiology

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Answer the question using the accompanying figure. Many ____ act via the signaling fashion illustrated by this figure

a. neurohormones b. digestive hormones c. stress hormones d. blood sugar regulatorsc e. growth factors

Biology & Microbiology

The only protists that have 2 types of nuclei in each cell are

a. Archaeplastida. b. Dinoflagellates. c. Ciliates. d. Excavates. e. Amoebozoans.

Biology & Microbiology

Which of the following is most likely to happen to a human polyploid?

a. survival until the mid-30s age range b. death around the age of one year c. natural abortion d. survival until the early teenage years

Biology & Microbiology

The oily substance that lowers the pH of the skin's surface to about pH 5 and is inhibitory to many bacteria is (sebum/sweat/serum)

What will be an ideal response?

Biology & Microbiology