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Biology Human Physiology > Evolution > Flashcards

Evolution Flashcards

1
Q

first form of life came from non living organic molecules proposed by

A

oparin of russia and haldane of england

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2
Q

first non cellular form originated

A

3 billion years ago

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3
Q

_______ created similar conditions in swan flask

A

S L Miller

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4
Q

who demonstrated that life comes only from pre existing life

A

Louis Pasteur

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5
Q

early reptiles divided into ________ and ________

A

sauropsids and synapsids

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6
Q

Thecodonts from sauropsids gave rise to

A

crocodiles ,dinosaurs and birds

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7
Q

bryophyte derived from

A

chlorophyte ancestors

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8
Q

arborescent lycopods population ended in

A

permian

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9
Q

first pteridophyte in silurian

A

Zosterophyllum

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10
Q

jawless fish probably evolved around

A

350mya

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11
Q

invertebrates evolved around

A

500 mya

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12
Q

sea weeds and few plants existed around

A

320 mya

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13
Q

two key concepts of darwinian theory

A

branching descent and natural selection

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14
Q

tyrannosaurus came from

A

brachiosaurus

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15
Q

triceratops came from

A

stegosaurus

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16
Q

who noted embryos never pass through adult stages

A

Karl Ernst von baer

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17
Q

reptiles dominated and fish like reptiles dominated in

A

200mya

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18
Q

biggest dinosaur

A

tyrannosaurus rex

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19
Q

dinosaurus dissappeared around

A

65 mya

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20
Q

first mammals were

A

shrews

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21
Q

dryopithecus and ramapithecus existed

A

15 mya

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22
Q

________ was more man like

A

Ramapithecus

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23
Q

________ was more ape like

A

dryopithecus

24
Q

australopithecans lived before

A

2 mya

25
Q

ramapithecus fossils were found in

A

tanzania and ethiopia

26
Q

height of ramapithecus

A

not taller than 4 feet

27
Q

australopithecans lived in

A

east african grasslands

28
Q

_______ hunted with stone weapons and ate fruit

A

australopithecans

29
Q

brain capacity of homo habilis

A

650-800 cc

30
Q

homo habilis ate meat TRUE /FALSE

A

false

31
Q

homo erectus fossils found at

A

1.5 mya

32
Q

homo erectus fossils found in

A

java

33
Q

homo erectus had large brain t/f

A

true

34
Q

brain capacity of homo erectus

A

900cc

35
Q

homo erectus ate meat t/f

A

true

36
Q

brain capacity of neanderthal men

A

1400 cc

37
Q

neanderthal men lived near

A

east and central asia

38
Q

neanderthal men lived at

A

100000 -40000 years back

39
Q

neanderthal men used hides to protect body and buried their dead true / false

A

true

40
Q

homo sapiens arose in

A

africa

41
Q

modern homosapiens arose between

A

75000 -10000 years back

42
Q

pre historic art developed about

A

18000 years back

43
Q

agriculture came around

A

10000 years back

44
Q

lobefins was evolved about

A

350 mya

45
Q

coelocanth was discovered at

A

south africa

46
Q

height of tyrannosaurus

A

20 feet

47
Q

except bryophytes and pteridophytes all other classes were evolved from

A

psilophyton

48
Q

first cellular form of life appeared

A

2000 mya

49
Q

when allele frequency is completely changedoriginal population is called

A

founders

50
Q

saltation was given by

A

Hugo deVries

51
Q

Hugo based on his work on __________ gave idea of mutations (saltation)

A

evening primrose

52
Q

use disuse theory was given by

A

Lamarck(french naturalist)

53
Q

universe is _______ old

A

20 billion years old

54
Q

in _________ epoch evolution of mammals took place

A

Pliocene

55
Q

rise of 1st primates took place in (epoch)

A

palaeocene

56
Q

evolution of homo sapiens took place in(epoch)

A

pleistocene

57
Q

rise of 1st apes took place in?(epoch)

A

oligocene

Biology Human Physiology (5 decks)

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