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BIOL 171 Final Exam Questions and Answers 2024 $14.99
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BIOL 171 Final Exam Questions and Answers 2024
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BIOL 171 Final Exam Questions and Answers 2024 Evolution is a theory that can be applied to different species, but cannot be directly tested False Several scientific studies have reported results that reject the process of evolution False Previous Play Next Rewind 10 seconds ...

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  • October 2, 2024
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  • 2024/2025
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  • biol 171 final exam questions and answers 2024
  • evolution is a theory that can be applied to diffe
  • several scientific studies have reported results t
  • two species of birds that are closely related have

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BIOL 171 Final Exam Questions and
Answers 2024

Evolution is a theory that can be applied to different species, but cannot be directly
tested - answer False

Several scientific studies have reported results that reject the process of evolution -
answer False

Two species of birds that are closely related have evolved from an extinct common
ancestor - answer True

Crab and human share common ancestor - answer True

Evolution often produces species that appear to have imperfect characteristics - answer
false

Evolution - answera mechanism that explains how species change over time

closest living ancestors to humans - answer chimpanzees and bonobos

Adaptive organisms - answerorganisms are adopted to environment in which they live

adaptation - answera heritable trait or behavior that aids the survival and reproduction of
an organism in its present environment

species - answera group of individuals organisms that interbreed and produce fertile,
viable offspring

population - answera group of individual that share a gene pool and includes individuals

natural selection - answerindividuals that have certain inherited traits tend to survive
and reproduce at higher rates than individual that don't

How thought of Natural Selection? - answerDarwin and his finches

The Biological Species Concept - answerDeveloped by Enerst Mayr
a species is a group of organisms that can interbreed into nature and produce viable
fertile off spring

morphlogical species concept - answerfossil species identification

, phylogenetic species concept - answerasexual species identification relies on genetics
different and morphology

How do species form? - answerthrough speciation

Speciation - answerthe formation of species from one original species

Speciation requirements - answerbarrire to gene flow
Evolution (via natural selection) that leads to reproductive isolation

Natural Selection Observation 1 - answerMembers of a population vary in their inherited
traits

Natural Selection Observation 2 - answerAll species can produce more offspring than
their environment can support and many of these offspring fail to survive and reproduce

After speciation occurs, what do we call the original species? - answerAncestor species

Barriers that can lead to speciation - answerAllopatric and sympatric

Allopatric Speciation - answergeographic barrier that reduces gene flow

Sympatric Speciation - answersubset of population acquires differences

What does speciation happen through? - answerit happens through polyploidy

Polyploidy - answercondition where organism have more than two paired sets of
chromosomes

Autopolyploidy - answerone species involved in generating a polyploid

Allopolyploidy - answertwo species involved in generating polyploid

Type of Reproductive Isolation - answerPre-zygotic and post-zygotic isolation

pre-zygotic isolation - answermechanisms that prevent mating or hinger fertilization
before mating occurs

post-zygotic isolation - answermechanisms that prevent a hybrid zygote from
developing into a viable, fertile adult (acting after mating occurs)

Type of Pre-Zygotic isolation - answerhabitat, temporal, behavioral, mechanical,

habitat isolation - answerspecies occupy different habitats, never come into contact

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