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Evolution > 1 > Flashcards

1 Flashcards

1
Q

Earth formed

A

4.5bya

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2
Q

4m5 bya the enironment:

A

No atmosphere
Water vapr
Methane
Carbon dioxide

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3
Q

Life appears

A

4bya

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4
Q

Theory of panspermia

A

Life originated from spores in space

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5
Q

Theory of spontaneous generation

A

Life came from mud, decaying matter

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6
Q

Theory of spontaneous generation proven wrong by

A

Louis pasteur

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7
Q

Chemical theory of otigin of life

A

Oparin
Haldane

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8
Q

Oparin is from

A

Russia

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9
Q

Haldane is from

A

England

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10
Q

S.L miller

A

Conducted and exp with same condition of temperature and gases

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11
Q

Non celluat forms of life originated

A

3mya

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12
Q

First delluar forms of life

A

2000 mya

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13
Q

Who discarded theory of special creation

A

Charles darwinon a sea voyage on HMS beagle ship

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14
Q

According to darwin, fitness is

A

Reproductive fitness

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15
Q

Who had the same views as darwin

A

Alfred wallace working in malay archipelago

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16
Q

Embryological support for evolution was proposed by

A

Earnst heakle

17
Q

Embryonic SFE was disproved ny

A

Ernst von baer

18
Q

Divergent evolution eg.

A

Tendrils of bouganvillea and cucurbita

19
Q

Convergent evolution aka

A

Wings of butterfly and birds
Qeye of octopusband mammals
Flipper of dolphin amd penguin
Sweet potato ( root modification) and potato( stem mod)

20
Q

Moth situation in yr

A

1920

21
Q

Afaptive radiation is

A

Convergent evolution

22
Q

Marsupials of aus

A

Wombat
Sugar glider
Kangaroo
Tasmanian wolf
Cat
Anteater
Rat
Bandicoot
Koala
Mole

23
Q

Two key concept of darwaniam theory of evolution

A

Branching descent
Natrlural selection

24
Q

Theory of use and disuse by

A

Lamark

25
Q

Work of ——–on population influenced darwin

A

Thomas malthus

26
Q

———- based on his work on primrose gave an idea of mutation

A

Hugo de vries

27
Q

Devries believed mutation caused speciation and called it

A

Saltation

28
Q

Sum total of all allelic frequencies are

A

1

29
Q

Factors affecting hardy weinberg eq

A

Gene migration/ gene flow
Genetic drift
Mutation
Genetic recombination
Natural selection

30
Q

500 mya

A

Invertebrates were dormed and active

31
Q

350 mya

A

Jawless fish

32
Q

320 mya

A

See weeds amd plants

33
Q

In 1938 and exctinct fish called

A

Coelcanth was caught

34
Q

Dinosaurs dissapeared

A

65mya

35
Q

First mammals were like

A

Shrews

Evolution (1 decks)

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