Transcript Jeopardy Review Ch. 5

Ch. 5 Evolution of Biodiversity
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What is a reasonable estimate for
the number of species currently alive
on the planet
Answer:
10 million
100 pts
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The physical expression of an
organism’s genes is called its …
Answer:
Phenotype
200 pts
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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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T or F genetic variation decreases in
the following
1. Bottleneck effect
2. Genetic drift
3. Mutation
Answer:
1. True
2. True
3. False
400 pts
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1.What measurements are used to
measure diversity within an
ecosystem?
2.When does sympatric speciation
occur?
Answer:
1. Species richness and species
evenness.
2. polyploidy
500 pts
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An _______ is a trait that improves
that individual’s fitness for an
environment.
Answer:
Adaptation
100 pts
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What occurs when a small group
from a population colonizes a new
area?
Answer:
Founder effect
200 pts
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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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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…
Answer:
Bottleneck effect
400 pts
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T or F is NOT an example of
geographic isolation
1. Founder effect
2. Allopatric speciation
3. Sympatric speciation
Answer:
1. False
2. False
3. True
500 pts
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Approximately what percentage of
species that have lived on the
planet is thought to be extinct?
Answer:
99%
100 pts
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In a small population, when
genotypes are lost by chance it is
called…
Answer:
Genetic Drift
200 pts
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Give an example of artificial
selection.
Answer:
Dog breeding, horse breeding
300
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T or
1.
2.
3.
F Evolution occurs in the following
Natural selection
Genetic drift
Artificial selection
Answer:
1. True
2. True
3. True
400 pts
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1. this diagram is
known as…
2. which
structure is the
most primitive?
Answer:
1. Phylogenetic tree
2. notochord
500 pts
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A variety of genes within a species
is called its …
Answer:
Genetic diversity
100 pts
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What is most significant when
determining the diversity of an
ecosystem
Answer:
Number of species present
200 pts
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Which two scientist are credited
with developing the theory of
evolution by natural selection?
Answer:
Darwin and Wallace
300 pts
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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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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
Answer:
1. False
2. True
3. True
500 pts
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…
Answer:
• …
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Define limnetic, littoral, benthic and
profundal zones.
Answer:
…
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….
Answers:
…
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