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Multiple Choice Quiz

1
The red colobus monkey is an African arboreal monkey that eats leaves and spends most of its time in the upper story of the forest. This is specifically a description of the colobus monkey's:
A)environment
B)habitat
C)microhabitat
D)ecological niche
2
Fitness is a measure of:
A)how well adapted an individual is to the requirements imposed by a specific ecological niche
B)the overall health and well-being of a population of animals in a specific habitat.
C)how adaptable an animal might be to a new ecological niche
D)how well two different species are able to share the same habitat
3
If individuals with small and large body sizes are selected against, shifting the population in the direction of average boy size, this is an example of:
A)directional selection
B)stabilizing selection
C)disruptive selection
D)sexual selection
4
If people with a particular phenotype brought about by a dominant allele had only half the children, on average, than people without the trait, we would say these people had a ________ of 0.5.
A)biased fitness
B)relative fitness
C)phenotype disadvantage
D)genotype disadvantage
5
In areas where malaria is prevalent, it is best to be heterozygous for the sickle cell allele. This results in a situation referred to as:
A)heterozygous polymorphism
B)balanced phenotypism
C)balanced polymorphism
D)a multiple allele series
6
An altruistic act, while being detrimental to the individual him/herself, may raise that individual's:
A)inclusive fitness
B)reproductive potential
C)kin-based fitness
D)gene-based fitness
7
A cline is:
A)a subspecies separated from the main species by a geographical barrier
B)the smallest possible reproductive population
C)a specialized trait
D)a gradient
8
Closely related species that live in the same region may be isolated because:
A)there are slight differences in the niches that they occupy.
B)their breeding seasons are not at the same time
C)any hybrid individual may be inviable or sterile
D)all of the above
9
A species that can survive in a variety of ecological niches is referred to as a:
A)comprehensive species
B)generalized species
C)global species
D)ranging species
10
In the Galápagos Islands, a single mainland species of finch evolved into 13 new species upon reaching the islands. This is an example of:
A)ancestral diversion
B)phyletic gradualism
C)adaptive radiation
D)additive speciation





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