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Natural Selection
Test Description: Review
Instructions: Answer all questions to get your test result.
1) Modern frog larvae resemble some primitive vertebrate larvae. This similarity may suggest that primitive vertibrates
A
belong to the same species as frog
B
evolved from frogs
C
share a common ancestor with frogs
D
evolved before frogs
2) When lions prey on a herd of antilopes, some antelopes are killed and some escape. Which part of Darwin's concept of natural selection migh be used to describe this situation?
A
reproductive isolation
B
survival of the fittest
C
acquired characteristics
D
descent with modification
3) Upon close examination of the skeleton of an adult python, a pelvic girdle and leg bones can be observed. These features are an example of ______.
A
homologous structures
B
comparative embryology
C
artifical selection
D
vestigial structures
4) Darwin noticed that many organisms seemed well suited to
A
being preserved as fossils
B
swimming from South America to Galapagos Islands
C
surviving the environment they inhabited
D
providing humans with food
5) When a farmer breeds only his or her best livestock, the process involved is
A
artifical selection
B
natural selection
C
survival of the fittest
D
artificial variation
6) Which of the following is biochemical evidence for evolution?
A
Hemoglobin in humans can vary between different individuals
B
Human hemoglobin is different than mouse hemoglobin
C
Human hemoglobin is more similar to chimp hemoglobin than mouse hemoglobin
D
Embryonic human hemoglobin is different from adult human hemoglobin
7) What is the movement of genes into and out of a gene pool called?
A
nonrandom mating
B
random mating
C
direct evolution
D
migration
8) Mutations occur because of ______.
A
the introduction of new variations through mistakes in DNA replication
B
change in allele or genotype frequencies
C
the chance survival and reproduction of new variations
D
the introduction of new variations from elsewhere
9) The theory of continental drift hypothesizes that Africa and South America slowly drifted apart after once being a single landmass. The monkeys on the two continents, although similar, show numerous genetic differences. Which factor is probably the
A
fossil records
B
comparative embryology
C
comparative anatomy
D
geographic isolation
10) According to Darwin's theory of natural selection, individuals who survive are the ones best adapted for their environment. Their survival is due to the
A
lack of competition within species
B
possession of adaptations developed through use
C
possession of inherited adaptations that maximize fitness
D
choices made by plant and animals breeders
*select an answer for all questions
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