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Science 9 Topics 5-7 Review
Test Description: Review on Topics 5-7
Instructions: Answer all questions to get your test result.
1) What is survival of the fittest?
A
All animals will survive to reproduce.
B
That the strongest animals will survive to reproduce.
C
That the weakest animals will survive to reproduce.
D
None of the above.
2) What is natural selection?
A
Animals with no adaptations survive to reproduce.
B
Animals with the most favorable adaptations survive to reproduce.
C
Animals with the least favorable adaptations survive to reproduce.
D
Animals with any adaptations survive to reproduce.
3) What is an extinct species?
A
There are no more organisms of a species living.
B
Many organisms together in one area.
C
None of the above.
D
There are only certain areas of the world where the species lives.
4) What is an extirpated species?
A
Many organisms together in one area.
B
None of the above.
C
There are no more organisms of a species living.
D
There are only certain areas of the world where the species lives.
5) What are Bioindicator species?
A
Organisms that show the health of an ecosystem.
B
Organisms that live in an ecosystem.
C
Organisms that show the health of an ecosystem based on their health and numbers.
D
Organisms that can live in multiple ecosystems.
6) How do somatic cells reproduce?
A
Meiosis
B
Neither
C
Mitosis
7) How are gametes produced?
A
Mitosis
B
Meiosis
C
Neither
8) If a given organism has 10 pairs of chromosomes, how many total chromosomes are in their somatic cells?
A
None of the above.
B
5
C
10
D
20
9) If a given organism has 10 pairs of chromosomes, how many total chromosomes are in their gamete cells?
A
20
B
None of the above.
C
10
D
5
10) How many cells result after meiosis has occurred?
A
4
B
2
C
1
D
None of the above.
11) How many cells result after mitosis has occurred?
A
None of the above.
B
2
C
4
D
1
12) What is the shape of DNA?
A
None of the above.
B
1 strand
C
Double helix
D
2 strands
13) Who is Charles Darwin?
A
The scientist who studied finches in the Galapagos Islands, and came up with the Theory of Natural Selection
B
The scientist who differentiated between the terms extirpated and extinct.
14) Domestic cats are an example of:
A
Artificial Selection
B
Natural Selection
*select an answer for all questions
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