What other term describes fraternal twins?
A) dizygotic
B) identical
C) monozygotic
D) heterozygous
A
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What color of light is not strongly absorbed by chlorophyll?
A. green B. violet-blue C. red D. yellow-orange
Which group of organisms is not classified as ectotherms? a. All of these choices are ectotherms
b. Fish c. Amphibians d. Lizards e. Mammals
Sickle-cell disease is a disorder that is caused by
A. a single mutation on a single gene. B. a collection of mutations that span several different genes. C. a collection of genetic mutations and environmental factors. D. a collection of mutations on a single gene.
What is a misconception about the Canada lynx and snowshoe hare cycling?
A) Canada lynx are the only predators on snowshoe hares. B) Snowshoe hares impact resource abundance. C) Snowshoe hare populations vary over time. D) Rodents compete with snowshoe hares for grasses.