Drifting freely in the upper, well-illuminated waters of the ocean, a diverse biological community exists, primarily consisting of microscopic organisms called
A. archaeans.
B. bacteria.
C. phytoplankton.
D. benthos.
E. detritus.
Answer: C
You might also like to view...
The class of lever in which the effort is located between the fulcrum and the load is called
(a) class I. (b) class II. (c) class III. (d) class IV.
Cryptosporidium has recently become of concern because it is hard to remove from water supplies.
Answer the following statement true (T) or false (F)
Which of the following phrases is used to describe J. B. Lamarck's hypothesis of evolutionary change?
a. inheritance of ancestral identity b. inheritance of acquired characteristics c. natural selection d. survival of the fittest e. intelligent design
If a couple is planning on having three children, what is the probability that only one will be male?
a. 0 b. 1/4 c. 3/8 d. 1/2 e. 3/4