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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
belong to the same species as frog
D
share a common ancestor with 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
artifical selection
C
vestigial structures
D
comparative embryology
3) What is the movement of genes into and out of a gene pool called?
A
nonrandom mating
B
direct evolution
C
random mating
D
migration
4) Mutations occur because of ______.
A
the introduction of new variations from elsewhere
B
change in allele or genotype frequencies
C
the introduction of new variations through mistakes in DNA replication
D
the chance survival and reproduction of new variations
5) Which of the following describes why organisms with good traits or characteristics survive to reproduce?
A
Punctuated equilibrium
B
Survival of the fittest
C
None of the above
D
Acquired traits
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
belong to the same species
B
must range great distances to eat
C
have very similar skeletal structures
D
are descended from a common ancestor
8) Which condition is essential for natural selection to result in a new species?
A
unlimited resources
B
a long life span
C
an inherited variation
D
a static environment
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
The methods of protein synthesis that each species uses.
B
How closely related the two species are to each other.
C
The color patterns of the offspring of each species.
D
How much the size ranges of the two species differs.
*select an answer for all questions
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