Which of the following is an example of convergent evolution?
A. the blue whale and a chimpanzee both
being mammals
B. two different populations of humans having
different amounts of pigmentation
C. the African population possessing the
sickle trait in areas where malaria is prevalent
D. Europeans and Africans developing
lactose tolerance separately after the
domestication of cattle
E. the African population possessing the
sickle trait and the mutation in the G6PD
gene in areas where malaria is prevalent
D
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Green algae are believed to be the ancestors of the bryophytes. Cite four distinct lines of evidence to support this belief.
What will be an ideal response?
High levels of which chemical in the sleep centers of the brain induce drowsiness and sleep?
a. norepinephrine b. serotonin c. adrenalin d. encephalin e. cyclic AMP
Which of the following is not one of the three types of the "extended phenotype" presented by Richard Dawkins?
A. The aspect of the phenotype that improves through the process of an evolutionary arms race B. The ability of an animal to construct architectural forms from its environment C. Parasites can manipulate the behaviors of their hosts to create a distinct advantage D. The behavioral phenotype of the host can be manipulated by the parasite even if it is associated with the host
Chloroplasts utilize light energy to make ____
a. carbohydrates b. fats c. proteins d. nucleic acids e. steroids