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Ch. 5 Evolution of Biodiversity A B C D 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

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Page 1: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Ch. 5 Evolution of Biodiversity

A B C D

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Page 2: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

What is a reasonable estimate for the number of species currently alive on the planet

Answer:10 million

100 pts

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Page 3: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

The physical expression of an organism’s genes is called its …

Answer:Phenotype

200 pts

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Page 4: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Which measure of biodiversity takes into account the number of species present and the relative abundance of the species present?

Answer:Shannon-Weiner index

300 pts

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Page 5: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:1. True2. True3. False

400 ptsReturn to Review

T or F genetic variation decreases in the following

1. Bottleneck effect2. Genetic drift3. Mutation

Page 6: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:

1. Species richness and species evenness.

2. polyploidy

500 pts

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1.What measurements are used to measure diversity within an ecosystem?

2.When does sympatric speciation occur?

Page 7: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

An _______ is a trait that improves that individual’s fitness for an environment.

Answer:

Adaptation

100 pts

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Page 8: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

What occurs when a small group from a population colonizes a new area?

Answer:

Founder effect

200 pts

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Page 9: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

A flower with red petals produces purple petals, this is most likely the result of…

Answer:A genetic mutation

300 pts

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Page 10: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:Bottleneck effect

400 ptsReturn to Review

When a population suddenly reduces in size either from habitat loss, natural disaster or other changes in the environment, its genetic variation is affected. This is known as…

Page 11: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:1. False2. False3. True

500 ptsReturn to Review

T or F is NOT an example of geographic isolation

1. Founder effect2. Allopatric speciation3. Sympatric speciation

Page 12: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Approximately what percentage of species that have lived on the planet is thought to be extinct?

Answer:99%

100 pts

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Page 13: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

In a small population, when genotypes are lost by chance it is called…

Answer:

Genetic Drift

200 pts

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Page 14: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Give an example of artificial selection.

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Answer:

Dog breeding, horse breeding

300

Page 15: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:1. True2. True3. True

400 ptsReturn to Review

T or F Evolution occurs in the following1. Natural selection2. Genetic drift3. Artificial selection

Page 16: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:1. Phylogenetic tree

2. notochord500 pts

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1. this diagram is known as…

2. which structure is the most primitive?

Page 17: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

A variety of genes within a species is called its …

Answer:

Genetic diversity

100 ptsReturn to Review

Page 18: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

What is most significant when determining the diversity of an ecosystem

Answer:

Number of species present

200 pts

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Page 19: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Which two scientist are credited with developing the theory of evolution by natural selection?

Answer:

Darwin and Wallace

300 pts

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Page 20: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

A population of rabbits with typical variations of traits lives in a meadow with a depression running through the middle. Over time, the depression fills in with water and becomes a river, separating the one population into two. This is an example of….Answer:Allopatric speciation (geographic isolation)

400 pts

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Page 21: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:

1. False

2. True

3. True

500 ptsReturn to Review

1. T or F All mutations are harmful.

2. T or F Phenotype can be affected by the environment

3. T or F Niche specialist are most vulnerable to environmental change

Page 22: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

…

Answer:• …

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Page 23: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answer:…

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Define limnetic, littoral, benthic and profundal zones.

Page 24: Ch. 5 Evolution of Biodiversity ABCD 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 300 400 500 200

Answers:

…

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….


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