Evolution Flashcards

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
Similarities of Embryology
Similar embryo development suggest common ancestors.
26
Analogous features
Moth wing, bat wing, pteradactyl wing
27
Homologous Features
A human arm, a bat wing, a cats paw
28
Genetic Drift
Alteration of allelic frequencies by chance processes
29
What can disrupt the genepool?
Migration