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Evolution
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Instructions: Answer all questions to get your test result.
1) 1. When you see the similar bone structure in different animals, that is known as what?
A
D. Homologous structure
B
B. variation among species
C
C. Vestigial structures
D
A. embryological similarities
2) 2. A structure that seems to serve no purpose in an organism is called:
A
A. comparative embryology
B
D. homologous structure
C
C. vestigial structure
D
B. sexual selection
3) 3. A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the southern mice became larger and browner. This is an example of:
A
D. artificial selection
B
A. geographic isolation
C
C. sexual selection
D
B. homologous structure
4) 4. When humans domesticated dogs by choosing what traits they liked best, this is known as:
A
D. artificial selection
B
A. geographic isolation
C
C. sexual selection
D
B. homologous structure
5) 5. Any variation that can help an organism in its environment is called:
A
A. adaptation
B
B. natural selection
C
D. characteristic
D
C. competition
6) 6. A researcher sprays a new pesticide on thousands of insects. Only a few survive. What will the researcher begin to notice?
A
D. The researcher should use stronger pesticide
B
B. The insects will become more resistant
C
C. The pesticide never worked.
D
A. The insects will start dying
7) 7. Which would most likely produce a mutation that is passed on to offspring
A
Chemicals altering your nerve function
B
Tobacco smoking causing lung cancer
C
A. radiation changing the DNA sequence in skin cells
D
A change in your gametes causing a mutation
8) What is the best form of evidence for evolution, according to scientists?
A
DNA and biochemical evidence
B
Location where found
C
Diet
D
Physical characteristics
9) What does comparative embryology show?
A
How developing organisms look similar
B
How developing organisms look different
C
How one organism has changed over time
D
Where organisms are located
10) x
A
x
B
x
C
x
D
x
*select an answer for all questions
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