They were able to reproduce
They could separate combinations of molecules from the surroundings
They were partially isolated from the surroundings
They could maintain an internal environment
SO2
NO
CH4
SO3
Methane
Oxygen
Hydrogen
Water vapour
Radioactive carbon (C14) dating method
Radioactive nitrogen method
Radioactive clock method
None of the above
Special creation
Evolution due to mutation
Retrogressive evolution
Biogeographical evolution
Seasonal migration
Thick subcutaneous fat
Convergent evolution
Homeothermy
Divergent evolution
Micro-evolution
Co-evolution
Convergent evolution
Analogous organs
Homologous organs
Vestigial organs
Retrogressive evolution
Amphibians and aves
Mammals and amphibians
Reptiles and mammals
Reptiles and amphibians
Fossils
Morphology
Embryo
Vestigial organs
Retrogressive evolution
Mutation
Atavism
Metamorphosis
Scales on their hind limbs
Four-chambered heart
Two special chambers crop and gizzards in their digestive tract
Egg with a calcareous shell
Australopithecus → Ramapithecus → Homo sapiens → homo habilis
Homo erectus → Homo habilis → Homo sapiens
Ramapithecus → Homo habilis → Homo erectus → Homo sapiens
Australopithecus → Ramapithecus → Homo erectus → Homo habilis → Homo sapiens
Shorting of the jaws
Remarkable increase in the brain size
Loss of body hair
Walking upright
Stanley Miller
Darwin
A I Oparin
S Fox
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