sex-linked traits
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traits that are inherited with sex chromosomes
Polygenic
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trait controlled by two or more genes working together
Natural Selection leads to ________ changes.
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adaptive
What is the constraint of having a "good allele" in natural selection?
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Sometimes, there's a trade off to containing the beneficial allele. Ex:
Cheetahs run fast, but contain longer legs to do so, therefore increasing
risk for injury
Name some ways you can preserve biodiversity from threats.
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Underwater grass in some bays, farmers could use cover crops to reduce
runoff of pesticides & chemicals, mussel restoration to filter cleaner water,
don't litter
True or false: Dominance = prevalence
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False
,Who gave the initial idea that organism were related?
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Charles Darwin
What is the greatest threat to biodiversity?
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Human Over population = habitat destruction = potential extinction of other
species
What is incorrect about this statement: "After being exposed to insecticide, the
surviving beetles evolved"?
A. Nothing
B. Individuals are selected for, but populations evolve
C. Like other organisms, the surviving beetles would be better suited to the pressures
of their environment at this time
D. The beetles would have evolved by chance to resist the spray
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B
Where does the variation that natural selection acts on come from?
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Both combination of alleles and random mutations are responsible for
phenotypic variation
Define 'Selective Pressure'
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Any situation that alters the behavior and fitness of an organism in a given
environment
The more offspring you produce and survive, the more _______ ________ an organism is.
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Evolutionary fit
True or false: Natural selection is the only mechanism that leads to evolution.
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False; things like 'artificial selection' can lead to evolution for human
aesthetics.
Give this one a try later!
traits that are inherited with sex chromosomes
Polygenic
Give this one a try later!
trait controlled by two or more genes working together
Natural Selection leads to ________ changes.
,Give this one a try later!
adaptive
What is the constraint of having a "good allele" in natural selection?
Give this one a try later!
Sometimes, there's a trade off to containing the beneficial allele. Ex:
Cheetahs run fast, but contain longer legs to do so, therefore increasing
risk for injury
Name some ways you can preserve biodiversity from threats.
Give this one a try later!
Underwater grass in some bays, farmers could use cover crops to reduce
runoff of pesticides & chemicals, mussel restoration to filter cleaner water,
don't litter
True or false: Dominance = prevalence
Give this one a try later!
False
,Who gave the initial idea that organism were related?
Give this one a try later!
Charles Darwin
What is the greatest threat to biodiversity?
Give this one a try later!
Human Over population = habitat destruction = potential extinction of other
species
What is incorrect about this statement: "After being exposed to insecticide, the
surviving beetles evolved"?
A. Nothing
B. Individuals are selected for, but populations evolve
C. Like other organisms, the surviving beetles would be better suited to the pressures
of their environment at this time
D. The beetles would have evolved by chance to resist the spray
Give this one a try later!
B
Where does the variation that natural selection acts on come from?
, Give this one a try later!
Both combination of alleles and random mutations are responsible for
phenotypic variation
Define 'Selective Pressure'
Give this one a try later!
Any situation that alters the behavior and fitness of an organism in a given
environment
The more offspring you produce and survive, the more _______ ________ an organism is.
Give this one a try later!
Evolutionary fit
True or false: Natural selection is the only mechanism that leads to evolution.
Give this one a try later!
False; things like 'artificial selection' can lead to evolution for human
aesthetics.
