The pitch of sound is determined by the
A. number of sound waves.
B. frequency of sound waves.
C. intensity of sound waves.
D. size of sound waves.
B. frequency of sound waves.
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Microinsertions and microdeletions often result in ________ mutations
A) auxotrophic B) advantageous C) silent D) frameshift
__________, or four-legged walkers, evolved from lobe-finned bony fishes. Fill in the blank(s) with the appropriate word(s)
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT descriptive of any
fungus? a. saprophytic b. decomposer c. parasitic d. autotrophic e. heterotrophic
The observation that different geographical areas sometimes exhibit plant and animal communities of similar appearance, even though the individual plants and animals are not closely related, is called
A. homology. B. adaptation. C. the fossil record. D. convergent evolution. E. divergent evolution.