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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
belong to the same species as frog
B
evolved from frogs
C
share a common ancestor with frogs
D
evolved before frogs
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
homologous structures
B
vestigial structures
C
artifical selection
D
comparative embryology
3) What is the movement of genes into and out of a gene pool called?
A
random mating
B
direct evolution
C
nonrandom mating
D
migration
4) Mutations occur because of ______.
A
the chance survival and reproduction of new variations
B
change in allele or genotype frequencies
C
the introduction of new variations from elsewhere
D
the introduction of new variations through mistakes in DNA replication
5) Which of the following describes why organisms with good traits or characteristics survive to reproduce?
A
Punctuated equilibrium
B
Acquired traits
C
Survival of the fittest
D
None of the above
6) Evolution says which of the following?
A
Organisms have not changed.
B
Organisms do not share a common ancestor.
C
Organisms have changed over time
D
None of the above
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
belong to the same species
B
have very similar skeletal structures
C
must range great distances to eat
D
are descended from a common ancestor
8) Which condition is essential for natural selection to result in a new species?
A
a static environment
B
an inherited variation
C
a long life span
D
unlimited resources
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
A cactus that has no spines
B
A mouse that has learned to avoid mousetraps
C
A wasp that is infected with parasites
D
An ant that is resistant to pesticide
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
How much the size ranges of the two species differs.
C
The color patterns of the offspring of each species.
D
The methods of protein synthesis that each species uses.
*select an answer for all questions
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