During which time period did the animal in the accompanying figure appear?
a. Jurassic
b. Triassic
c. Permian
d. Devonian
e. Cretaceous
b
Biology & Microbiology
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Glucose and fructose both have the chemical formula (C6H12O6) so they are considered
A) isotopes. B) polymers. C) monomers. D) isomers. E) isogenic.
Biology & Microbiology
Variables that are always different between the experimental and the control groups are
(a) independent. (b) controlled. (c) dependent. (d) a and c.
Biology & Microbiology
The physical appearance and physiology of an organism, resulting from interactions of its genetic makeup and its environment, is its
(a) phenotype. (b) hybrid vigor. (c) dominance. (d) genotype.
Biology & Microbiology
In the food chain of a typical lake, which of the following would be a producer?
a. algae b. trout c. mollusk d. turtle
Biology & Microbiology