There are more species of beetles than any other animal. How many species of beetles have been described?
a. About 50,000
b. About 100,000
c. About 300,000
d. More than one million
Ans: c. About 300,000
Biology & Microbiology
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Indicate whether the statement is true or false.
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Nondisjunction in the sex chromosomes is more severe than in the autosomes
A. true B. false
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Two mammals, a sheep and a goat, produce offspring. Only the F1 and F2 generations produce fertile offspring. This
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Which of the following is generally a hermaphrodite?
A. Pin worms B. Flukes C. Hook worms D. Tapeworm
Biology & Microbiology