The study of the body structures of the ostrich, emu and rhea shown here is an example of ____
a. morphological divergence
b. comparative morphology
c. anatomical convergence
d. biogeography
e. radiometric dating
ANSWER: b
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Why does overwatering a plant kill it?
A) Water does not have all the necessary minerals a plant needs to grow. B) Water neutralizes the pH of the soil. C) The roots are deprived of oxygen. D) Water supports the growth of root parasites. E) Water lowers the water potential of the roots.
What happens to the oxygen that is used in cellular respiration?
A. It is converted to carbon dioxide B. It is used to make glucose C. It is used to make Krebs cycle intermediates D. It is reduced to form water E. It is converted to acetyl-CoA
Omnivorous animals consume both plant and animal tissue
a. True b. False
Which epithelial cell is modified for diffusion?
a. cuboidal b. simple squamous c. simple columnar d. stratified squamous e. stratified columnar