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Evolution
Test Description: NA
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
evolved from frogs
B
evolved before frogs
C
share a common ancestor with frogs
D
belong to the same species as frog
2) 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
comparative embryology
B
vestigial structures
C
homologous structures
D
artifical selection
3) What is the movement of genes into and out of a gene pool called?
A
nonrandom mating
B
random mating
C
migration
D
direct evolution
4) 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
5) Which of the following describes why organisms with good traits or characteristics survive to reproduce?
A
Punctuated equilibrium
B
None of the above
C
Acquired traits
D
Survival of the fittest
6) Evolution says which of the following?
A
Organisms do not share a common ancestor.
B
None of the above
C
Organisms have changed over time
D
Organisms have not changed.
7) The opossum, which is native to North America, and the kangaroo, which is native to Australia are marsupials. The fact that both these mammals incubate their immature offspring in a pouch provides evidence that they –
A
have very similar skeletal structures
B
are descended from a common ancestor
C
must range great distances to eat
D
belong to the same species
8) Which condition is essential for natural selection to result in a new species?
A
a static environment
B
a long life span
C
unlimited resources
D
an inherited variation
9) Genetic variation can aid in the survival of species when the environment changes. Which of the following is the best example of an organism with a genetic variation that could improve survival chances over time?
A
An ant that is resistant to pesticide
B
A cactus that has no spines
C
A mouse that has learned to avoid mousetraps
D
A wasp that is infected with parasites
10) Genome maps provide the DNA sequences of chromosomes. Some scientists have compared the genome maps of a hedgehog and a sloth. What do these genome maps allow the scientists to determine?
A
How closely related the two species are to each other.
B
The methods of protein synthesis that each species uses.
C
How much the size ranges of the two species differs.
D
The color patterns of the offspring of each species.
*select an answer for all questions
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