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Adv Sci Chpt 6
Test Description: Test 2
Instructions: Answer all questions to get your test result.
1) This period covers the first 4 billion year's of Earth's history
A
Cambrian
B
Precambrian
C
Jurassic
D
Mesozoic
2) The gradual change in a species over time
A
extinction
B
adaptation
C
natural selection
D
evolution
3) A trait that helps an organism survive and reproduce
A
adaptation
B
variation
C
gradualism
D
half-life
4) Body parts that are structurally similar in related species and provide evidence of a common ancestor
A
relative dating
B
overproduction
C
homologous structure
D
branching tree
5) A copy of the shape of the organism that made the mold
A
fossil
B
mold
C
cast
D
sediment
6) The time it takes for half of the atoms in a radioactive element to decay
A
evolution
B
natural selection
C
adaptation
D
half-life
7) Diagram that shows how scientists think different groups of organisms are related
A
fossil record
B
mold
C
branching tree
D
species chart
8) Process where individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species
A
competition
B
natural selection
C
overproduction
D
evolution
9) The Jurassic period was...
A
144-66 million years ago
B
245-208 million years ago
C
408-360 million years ago
D
208-144 million years ago
10) A conifer is an example found in what time?
A
Permian
B
Cambrian
C
Cenozoic
D
Devonian
*select an answer for all questions
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