Which pairs of organs interact to control gas exchange?
A. lungs, brain
B. lungs, skin
C. brain, skin
D. skin, bones
E. lungs, kidneys
A. lungs, brain
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If changes occur in the genetic diversity of a species and they are not the result of natural selection, which of the following could have occurred?
A. This could be a case of genetic drift. B. The population may be extremely small. C. Random events may have eliminated certain genes from the population. D. All of the answers are correct.
Why shouldn't the origin of species according to a religious text be included in the curriculum of biology courses?
A. Most religious texts have been proven to contain false information. B. The origin of species from an intelligent designer has been superseded by more modern theories. C. Religious teachings are not scientifically testable theories. D. It is contrary to the beliefs of most scientists.
Bilateral symmetry refers to distribution of body parts:
A) in pie-slice sections. B) around a central axis. C) in no particular order. D) randomly in pairs from top to bottom. E) similarly on right and left sides.
Which number is the Nucleus?
What will be an ideal response?