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Diversity Of Life
Test Description: Standard 5
Instructions: Answer all questions to get your test result.
1) The process that results in changes of inherited traits over time
A
gene pool stagnation
B
natural selection
C
vairation drift
2) Genetic drift tends to occur in populations that are
A
large
B
size does not matter
C
small
3) Genetic equilibrium of a population can be disturbed by
A
all of the above
B
non random mating
C
movement in and out of area
D
mutations
4) What situation might developin a population if some plants' flowers open midday and others at late afternoon
A
temporal isolation
B
genetic drift
C
behavioral isolation
D
geographic isolation
5) The combined gentic information of all members of a particular population is the population's
A
frequency
B
gene pool
C
genotype
D
phenotype
6) Peacocks with bright feathers are healthier and therefore are desired mates is example of
A
nonrandom mating
B
adaptions
C
random mating
D
mutations
7) A source of genetic variation is
A
phenotypes
B
directional selection
C
gene shuffling
D
genotypes
8) Natural selections acts directly on
A
phenotypes
B
alleles
C
genes
D
mutations
9) In genetic drift, allele frequencies change because of
A
nonrandom mating
B
they don't
C
mutations
D
chance
10) The situation in which allele frequencies of a popluation remain constant is called
A
natural selection
B
evolution
C
genetic equilibrium
D
genetic drift
*select an answer for all questions
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