Cladograms are used to
a. classify organisms into taxonomic
categories.
b. visualize evolutionary trends and patterns.
c. understand microevolution.
d. determine nucleotide sequences in
fossilized organisms.
e. do more than one of these
B
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What is the main role of the peripheral nervous system?
A. To serve as a back up to the central nervous system B. To receive information C. To transport hormones D. To convey information to and from the central nervous system
If individuals in the same town continue to only mate with other individuals from the same town, one
would expect to see an increase in __________ within the population. a. genetic drift b. migration c. heterozygosity d. homozygosity e. assortative mating
Asthma is caused by
A. contraction of the bronchioles. B. reduced number of alveoli. C. lack of hemoglobin in the blood. D. reduced flow of blood to the lungs.
The island water snake is one of several subspecies within the species that includes the common water snake. The island water snake has the same relationship to the common water snake as
A. two different breeds of dog (collie and St. Bernard). B. a jellyfish to a goldfish. C. a cat to a wolf. D. a poisonous snake to a nonpoisonous snake.