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ZOOLOGY > EVOLUTION > Flashcards

EVOLUTION Flashcards

1
Q

Development of the Idea of Evolution

A

-Greek
- Early Concept
- Xenophanes, Empedocles & Aristotle

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2
Q

Regarded fossils as evidence for former life

A

Greeks

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3
Q

Inheritance of acquired characteristics
( Neck of giraffes

A

Jean Baptiste de Lamarck

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4
Q

Changes happen in a population

A

Charles Darwin

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5
Q

Evidence of Darwinian Theory of Evolution

A

Perpetual Change

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6
Q

Common Descent

A

Everything came from a common ancestors

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7
Q

Homology

A

Similarities in anatomy

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8
Q

Ontogeny

A

Development of an organism from embryo to adulthood

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9
Q

Multiplication of Species

A

Speciation

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10
Q

Groups are separated by physical barrier

A

Allopatric

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11
Q

Divergence occurs without physical barriers (preference)

A

Sympatric Speciation

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12
Q

Adjacent population evolve into distinct species while maintaining contact along a common border

A

Parapatric

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13
Q

Formation of multiple
species from a single
population in response
to selective pressures

A

Adaptive radiation

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14
Q

Small changes are
accumulated over
time, causing
species change in a
population

A

GRADUALISM

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15
Q

Types of Gradualism

A
  • phyletic gradualism
  • punctuated equilibrium
  • natural selection
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16
Q

Slow-but-steady
evolutionary change

A

Phyletic Gradualism

17
Q

-Rapid changes prompted
by disruptive events
-May also be the result of
lacking fossil evidences

A

Punctuated Equilibrium

18
Q

survival of the
most adapted in
the environment

A

Natural selection

19
Q

Genetic variation
and change
within a species

A

Microevolution

20
Q

•Occurrence of
different allelic
forms of a gene in
a population
• All alleles of all
genes in a
population form
the gene pool

A

Polymorphism

21
Q

Forces of Evolutionary Change in Microevolution

A

Mutation

22
Q

Change in frequency
of alleles/gene
variants in a gene
pool

A

Genetic Drift

23
Q

exchange of genes
between populations

A

Gene Flow

24
Q

Interaction of all
the other factors

A

“Forces” of Evolutionary Change in
Microevolution

25
Q

-Major
evolutionary
events
-describes large-
scale events in
organic evolution

A

MACROEVOLUTION

ZOOLOGY (2 decks)

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