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Evolution
Evolution
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#evolution #biology #givemeanA
Flashcards
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Questions
20
Answers
1
"The evolution of similar traits in distantly related species."
Coevolution
Convergent Evolution
None of the above
Divergent Evolution
2
SympatricSpeciation can occur if genetic changes results in barriers between mutant&parent pop.
True
False
3
What type of selection is this?
Directional
Disruptive
Artificial
Stabilizing
4
Small populations have a better chance to develop into new species with:
Divergent Evolution
Sympatric Speciation
Convergent Evolution
Allopatric Speciation
5
What is: "a new colony made up of a small number of pioneers in an isolated area"
Gene Flow
Founder Effect
Mutations
Bottle Neck Effect
6
Zonkeys, (Zebra and Donkey mix) is an example of:
Gametic isolation
Reduced Hybrid Viability
Reduced hybrid fertility
Zygotic Mortality
7
What is this an example of?
Homologous structures
Vestigial Structures
Analogous structures
None of the above
8
Microevolution is the change in species over a long time, where new forms replace old forms.
True
False
9
What type of selection is this?
Directional
Disruptive
Artificial
Stabilizing
10
What is
Speciation?
Complete disappearance of a species
Emergence of a new living species
Decrease in population of a species
Advancement of an existing species
11
What is Mechanical Isolation (anatomical incompatibility)?
Postzygotic barrier
None of the above
Prezygotic barrier
12
Frogs lay thousands of eggs but only 1% will survive. What example is this of?
Artificial Selection
Malthus’ “Principles of Population”
Darwin’s Postulates
Lamarckian Theory
13
What is
Natural Selection
?
Breeders selecting desirable individuals to reproduce
Changes in organisms powered by ‘will’
Success in reproduction of different phenotypes
When animals select which part of nature they like
14
The Bottleneck Effect cause the population to gain alleles and become more representative.
True
False
15
What type of selection is most commonly associated with speciation?
Stabilizing
Directional
Disruptive
Natural
16
"The slow, continuous changes that occurred with the earth’s rocks, can also occur with life"
True
False
17
What is the most common type of selective pressure?
Disruptive
Directional
Cumulative
Stabilizing
18
Over time, giraffes stretched their necks to get their food.Whose theory is this an example of?
Darwin
None of the above
Cuvier
Lamarck
19
Coevolution
can also be called:
Sympatric Relationships
Convergent Evolution
None of the Above
Divergent Evolution
20
Peacocks have a large array of colourful feathers to seduce peahens.What is this an example of?
Natural Selection
Sexual Selection
Artificial Selection
Sexual Dimorphism
