Sea stars are classified in which of the following Echinoderm classes?
a. Asteroidea
b. Ophiuroidea
c. Echinoidea
d. Crinoidea
a. Asteroidea
Biology & Microbiology
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What happens to the glucose molecule during glycolysis?
a. It is converted to acetyl CoA. b. It is converted to CO 2 . c. It is converted to two pyruvate molecules. d. It is converted to water.
Biology & Microbiology
An individual's ____ determines its observable ____
a. phenotype; genotype b. genotype; phenotype c. gene location; allele d. heterozygote; homozygote e. homozygote; heterozygote
Biology & Microbiology
How many natural elements exist on Earth?
a. 100 b. 112 c. 88 d. 96 e. 110
Biology & Microbiology
In cladistics, ________ is(are) the primary criterion used to classify organisms.
A. observable traits B. shared, derived traits C. mating behavior D. ecological niche E. All of the answer choices are correct.
Biology & Microbiology