GMO + evolution Flashcards

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1
Q

Evolution

A

Change in a kind of organism over time; process in which modern organisms have descended from ancient organisms

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2
Q

Homologous structures

A

Structures in different species that are similar because of common ancestry but have completely different functions

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3
Q

Common ancestor

A

The shared ancestor of new, different species that arose from one population

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4
Q

Vestigial structures

A
  1. A structure that is found in an organism that no longer served its original purpose
  2. Evidence of evolution
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5
Q

The two main sources of variation within a species are ____.

A

Mutations and Sexual Reproduction

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6
Q

Adaptations

A

A trait that helps a species survive and reproduce

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7
Q

Mutation

A

A change in a gene or chromosome

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8
Q

Overproduction

A

Organisms produce more offspring than can survive

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9
Q

Extinction

A

A species that no longer has any known living individuals

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10
Q

Selective Breeding

A

The process of selecting organisms with desired traits to serve as parents

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11
Q

Genetic variation

A

Genetic diversity in a species

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