Dunaliella salina is a bacterium that is able to live in aqueous solutions with such high salt concentrations that the salt cannot fully dissolve. D. salina is an example of a(n)
A) extreme thermophile.
B) extreme halophile.
C) methanogen.
D) proteobacteria.
Answer: B
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The first group to exhibit an amniotic egg was
the a. Aves. b. Amphibia. c. Reptilia. d. Osteichthyes. e. Mammalia.
The only endocrine gland whose secretory function is under direct control by sympathetic nerves is the
a. pancreas. b. thyroid. c. adrenal medulla. d. thymus. e. testis.
Corn belongs to the kingdom
(a). Plantae. (b). Animalia. (c). Fungi. (d). Protista. (e). Archaea.
Answer the following questions true (T) or false (F)
1. A small group of finches on the Galapagos Islands was very important to Darwin in helping him to develop the theory of evolution. 2. Charles Darwin usually gets more credit for the theory of evolution than Alfred Russel Wallace because Darwin thought of the idea first and published a mass of evidence in its support. 3. Alfred Russel Wallace developed his theory of natural selection about 20 years after Darwin.