Which of the following organisms is not an osteichthyan?
a. Bird
b. Shark
c. Cod
d. Coelacanth
e. Human
Answer: b. Shark
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Most of those affected with an autosomal dominant genetic disorder are homozygous for that trait
a. True b. False
In pine, there is a dominant ____ generation.
A. sporophyte B. gametophyte C. male gametophyte D. female gametophyte
Smell is an important stimulus in the activation of the limbic system
Indicate whether the statement is true or false.
In Yellowstone National Park, wolves were hunted to extinction in the 1920s. A current restoration project has reintroduced wolves to Yellowstone National Park
Predict the response of the Yellowstone ecological community if wolves are a keystone species. A) Species richness should decrease. B) The relative abundances of each species should become more unequal. C) Species diversity should decrease. D) Species richness should increase, and the relative abundances of each species should be about equal.