Evolution Flashcards

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1
Q

Charles Darwin

A

Founder of modern evolutionary theory

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2
Q

What ship did Charles Darwin travel on and for how long?

A

The Beagle and for 5 years

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3
Q

What did Charles Darwin do?

A

Studied diversity of life on Galapagos Island

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4
Q

What is special about Galapagos Island?

A

Galapagos Island has never been inhabited by humans| Everything there adapted and evolved naturally

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5
Q

What is natural selection?

A

Its when nature selects you to be removed from the genepool.

Ex: bear eats you while you’re hiking in the forest

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6
Q

Selective Breeding

A

When humans choose two entities to breed and get a specific offspring.

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7
Q

While on Galapagos Island Darwin saw what 2 animals

A

Tortoises and finches

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8
Q

Fitness

A

Ability of an individual to survive and reproduce in its environment

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9
Q

What was Darwin’s book?

A

The Origin of Species

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10
Q

Darwin’s Influences

A

James Hutton, Charles Lyell, Malthus and Lamark

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11
Q

James Hutton

A

Earch is shaped by geological forces over long periods of time.

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12
Q

Lamark

A

Inheritance of aquired traits.

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13
Q

Charles Lyell

A

Published “Principles of Geology”

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14
Q

Malthus

A

Human populations of organisms will grow gaster than the space and food supplies needed to sustain it.

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15
Q

Adaptations

A

Any inherited characteristic increases an organisms chance of survival.

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16
Q

Adaptations that an individual acquires in their life does not

A

Pass onto their offspring.

17
Q

Mimicry

A

An organism copying the appearance of another species.

18
Q

Camoflauge

A

An organism’s ability to blend in with its surroundings

19
Q

Other examples

A

Species can change their metabolism
Penicillin is no longer as effective because bacteria have evolved
Weeds and insects become resistant to chemicals meant to kill them.

20
Q

Evidence of Evolution

A

Fossil Record - bones and teeth

21
Q

Anatomy of organisms

A

Homologous Structures
Analogous Structures
Vestigial Structures
Similarities of Embryology

22
Q

Homologous Structures

A

Almost same structure of a body part but with different functions

23
Q

Analogous Structure

A

Body parts of different organisms that have the same function but different structure.

24
Q

Vestigial Structures

A

Any body structure that is reduced or has no function in a living organism but may have at one time by ancestors.

25
Q

Similarities of Embryology

A

Similar embryo development suggest common ancestors.

26
Q

Analogous features

A

Moth wing, bat wing, pteradactyl wing

27
Q

Homologous Features

A

A human arm, a bat wing, a cats paw

28
Q

Genetic Drift

A

Alteration of allelic frequencies by chance processes

29
Q

What can disrupt the genepool?

A

Migration