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SCIENCE > EVOLUTION > Flashcards

EVOLUTION Flashcards

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Biology 101 flashcards
1
Q

What are the 3 types of adaptations

A

Structural
Functional
Behavioural

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2
Q

What are structural adaptation

A

Physical features

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3
Q

What are behavioural adaptations

A

How and organism acts

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4
Q

What are functional adaptations

A

A special feature of an organism

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5
Q

What is a behavioural adaptation of a kangaroo

A

Lick their forearms to cool off

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6
Q

What is a structural adaptation of a kangaroo

A

They have very strong hind legs allowing them to travel for longer distances without using a lot of energy

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7
Q

What is a functional adaptation of a kangaroo

A

Red kangaroos have super kidneys allowing them to hold more water for longer periods of time

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8
Q

Why do animals need to adapt to their environment

A

So they can survive and reproduce

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9
Q

What are the 5 key pieces of evidence for evolution

A 
DNA 
Homologous structures
Analogous structures 
Comparative anatomy 
Fossils
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10
Q

What are fossils

A

Formed when an organism becomes buried in layers of sediment and cause little decompositions

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11
Q

What are homologous structures

A

Structures evolved from their common ancestors

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12
Q

What is comparative anatomy

A

Compared the structures of organism of living species and fossils

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13
Q

What are analogous structures

A

Serve same function between organism but have different internal anatomy

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14
Q

What is DNA

A

All living cells have the same basic DNA structure

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15
Q

What does OVSASRAC stand for

A 
Overproduction 
 Variation 
Struggle for survival 
Adaptation 
Survival of the fittest 
Reproductive fitness 
Allele carryover
Change to gene pool
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16
Q

What is overproduction

A

More young are born than survive adulthood

17
Q

What is variation

A

Reproducing species show variation on all inherited features

18
Q

What is struggle for survival

A

All organisms compete for survival

19
Q

What are adaptations

A

Organism adapt to their environment to survive and reproduce

20
Q

What is survival of the fittest

A

When some individuals are better suited to their environment

21
Q

What is reproductive fitness

A

Stronger individuals are fittest to reproduce Allele carryover

22
Q

What is change to gene pool

A

Individuals will change over time to survive and reproduce

SCIENCE (3 decks)

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