Flippers of penguins and dolphins

Eyes of octopuses and mammals

Fore limbs of whales and bats

Wings of butterflies and birds

$\mathrm{A}(\mathrm{III}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{I}), \mathrm{D}(\mathrm{II})$

$\mathrm{A}(\mathrm{I}), \mathrm{B}(\mathrm{II}), \mathrm{C}(\mathrm{III}), \mathrm{D}(\mathrm{IV})$

$\mathrm{A}(\mathrm{II}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{III}), \mathrm{D}(\mathrm{I})$

$\mathrm{A}(\mathrm{II}), \mathrm{B}(\mathrm{IV}), \mathrm{C}(\mathrm{I}), \mathrm{D}(\mathrm{III})$

Ramapithecus → Homo habilis → Homo erectus → Neanderthal → Homo sapiens

Homo sapiens → Ramapithecus → Homo habilis → Neanderthal → Homo erectus

Homo habilis → Homo erectus → Ramapithecus → Neanderthal → Homo sapiens

Neanderthal → Ramapithecus → Homo habilis → Homo erectus → Homo sapiens