Very rapid speciation occurred when cichlid fishes were isolated in Lake Victoria. Widespread extinction was dramatically seen when
A. hybridization stopped.
B. insect larvae stocks were depleted.
C. fishing was prohibited.
D. predatory fish were added.
E. artificial selection stopped.
Answer: D
You might also like to view...
During translation elongation, which event happens last?
A. A tRNA molecule translocates from the A site to the P site. B. A tRNA carrying an amino acid binds to the A site. C. A tRNA molecule translocates from the P site to the E site. D. A peptide bond forms.
Some plants are able to endure frequent flooding events because they contain a tissue with loose parenchyma cells and large air spaces called
A. xylem. B. spongy mesophyll. C. pneumatophores. D. aerenchyma. E. epidermal tissue.
Which of the following is TRUE about water?
a. The oxygen end is slightly electropositive. b. Hydrogen bonds hold water molecules together. c. Water covers about one-half of the surface of the earth. d. Hydrophobic interactions attract water molecules. e. Solvent properties are greatest with nonpolar molecules
A person who is unable to speak after a stroke has had damage to what part of the brain?
What will be an ideal response?