evolution Flashcards
describe evolution in 3 words
continuous
slow
irreversible
basic unit of evolution
population
basic unit of natural selection
individual
according to ____ nothing in biology makes sense in the absence of evolution
Dabzansky
according to ___ and _____ , evolution occurs by natural selection
darwin
wallase
study of universe
cosmology
study of origin of universe
cosmogney
origin of the universe was explained by
abbe laimatriae
abbe laiatriae proposed ___
big bang theory
solar nebula hypothesis was proposed by
kant and laplace
priimitive matter was known as
Ylem
when did the big bang occur
20 billion years ago
origin of earth occured ____ years ago
4 billion
planets from solar nebula was ____ years ago
4.5 billion
theories of origin of life can be divided into __&___ categories
ancient
modern
name the anceint theories of the origin of life (5_)
special creation catastrophism spontaneous generation cosmozoic biogenesis
name the modern theory of origin of life
A I Oparin theory
speacial creation theory was supported by
father saurez
what was the special creation theory
life on earth was created by god
acc. to the special creation theory how old is earth
4000 years
acc to the special creation theory , the diversity on earth is always to same
:)
catastrophism theory was supported by
cuvier
what does catastrophism theory say
life 1st orginates then dominates then natural calamity takes palce then 0 life then life originates again
spontaneous generation theory is aka
autogenesis
autobiogenesis
acc to spontaneous generation theory, life originated from ?
non living things`
spontaneous generation theory was supported by
von helmont (took a sweaty shirt and then put it under wheat,dust and then saw a rat, said rat originated from shirt””)
comozoic theory was aka (3)
panspermia theory
theory of eternity
theory of extraterestrial origin of life
cosmozoic theory was supported by
richter’
arrhenius
helmholtz
what was the cosmozoic theory
spores from other planets came to earth and they germinated thus life formed, these spores were known as PANSPERMIA
biogenesis theory was supoorted by (3)
Redi
Splanzani
Lewis Pasteur
acc to biogenesis theory , origin of life is from ____
pre existing life
acc to biogenesis theory, OMINUS VIVUM EX VIVO means
life originated from pre existing life
Redi (italian) in 1668 did ___ experiment
jar experiment
spalzani (italian) in 1767 did ____
jar experiement
but conditions different than redi’s jar experiment
lewis pasteur (french) in 1862 did _________ experiment
swan neck experiment
in swan neck exp. lewis pasteur but broth in a swan neck flask and then a bee went in it and layed egges, so he concluded that life originated from pre existing life
:)))
L Pasteur also gave the ___________ theory and ____
germ theory of disease and
sterilisation technique
modern theory is aka (6)
oparin theory oparin haldane theory biochemical theory naturalistic theory chemical evolution of life artificial synthetic theory
A I Oparin was a ___ ____
russian biochemist
_____ was an british born indian scientist
JBS Haldane
opanrin theory came in the year ____
1923
book of oparin theory was named ___ and published in ‘____ year
origin of life
1938
just read this babyy
acc to oparin theory , water essential for orgin of life
primitive atm.=reducing (no free O2 present), anerobic
