The typical waking and sleeping cycles of most people can be described as:
a. crepuscular.
b. nocturnal.
c. diurnal.
d. lunar.
e. annual.
c
Biology & Microbiology
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What is the structural component of coral reefs?
a. calcium phosphate secretions by coral polyps b. calcium carbonate secretions by coral polyps c. dinoflagellate bodies d. calcium phosphate secretions by dinoflagellates e. calcium carbonate secretions by dinoflagellates
Biology & Microbiology
Chlorophyll a molecules absorb ____ light
a. orange, green and yellow b. orange, purple and red c. red and yellow d. orange and blue e. purple, orange, and yellow
Biology & Microbiology
A sexual system where a male gorilla mates with several females, forming pair bonds with each of them, is called
A) promiscuity. B) monogamy. C) polyandry. D) polygyny.
Biology & Microbiology
2-amino purine is an alkylating agent
Indicate whether the statement is true or false
Biology & Microbiology