A species confined to a specific geographic area and found nowhere else on Earth is called ____
a. endemic
b. allopatric
c. sympatric
d. autopolyploid
e. polymorphic
ANSWER: a
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Male deer have large antlers that are used to challenge each other in fights for territory and females. The females of this group actively choose the strongest males. Which type of sexual selection is occurring with the deer population?
A. Stabilizing selection. B. Negative frequency-dependent selection. C. Intersexual selection. D. Intrasexual selection. E. Intersexual and intrasexual selection are both occurring.
If an antibody serves as a B-cell receptor, it will bind to the host cell membrane via region number
a. 1. b. 2. c. 3. d. 4. e. 6.
Proteins are macromolecules composed of long strings of single units called nucleic acids.
a. true b. false
Cheetahs exhibit significant inbreeding and loss of heterozygosity due to overhunting and loss of habitat experienced at some point in their evolutionary history
Which genetic mechanism occurs when a large population is substantially reduced at random, acting independently of natural selection? A) founder effect B) mutation C) gene flow D) Hardy-Weinberg equilibrium E) bottleneck effect