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Evidence Of Evolution And Extinction
Test Description: VA SOL 13abc
Instructions: Answer all questions to get your test result.
1) A scientist believes that American dogs evolved from Canadian wolves. To test this hypothesis the scientist should...
A
observe wolves living in their current environments
B
interview American and Canadian dog owners
C
study the fossil records in both America and Canada
D
conduct an experiment on the food choices of dogs and wolves.
2) What is it called when all of the organisms of a species completely die out?
A
extinction
B
fossilization
C
mutations
D
adaptation
3) Sometimes bones in the front limbs of animals are very similar in structure. What do we call similar bone structures that indicate a link to a common ancestor?
A
gradualism
B
absolute dating
C
homologous structures
D
adaptations
4) Which would NOT likely be used as evidence of evolution?
A
homologous structures
B
similarities in DNA
C
fossils
D
intelligence
5) Which example would NOT be considered a fossil?
A
footprints hardened in mud or rocks
B
imprints left in rocks
C
bones buried deep in the earth
D
stories passed down from generation to generation
6) What most likely happened to species that are found in the fossil record but have no living members?
A
they had offspring of a different species
B
they mutated to other species
C
they never really existed
D
they became extinct
7) What natural preservative have scientists discovered fossils within?
A
tar
B
frozen ground
C
all of the above
D
amber
8) studying embryology helps scientists understand what?
A
how a species reproduces
B
the early stages of an organism's growth
C
how a species makes food through photosynthesis
D
where organisms migrate during their lives
9) Scientists compare DNA from living organisms to identify what?
A
natural selection
B
geographic isolation
C
similarities between species
D
a fossil's location
10) Why has the original fox animal species evolved into two species, a red and silver fox, overtime?
A
the two specie are prey to the same species
B
the two species are dormant animals
C
the two species live in two different environments
D
the two species hibernate during the winter months
*select an answer for all questions
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