Quiz

Question bank: Unit 4 — Dating Planet Earth

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Homologous structures are organs that:

have the same function and different structure

have the same basic structure and may have different functions

have different structure and different function

are always identical in size

Which pair is an example of homologous structures?

Butterfly wing and bird wing

Whale flipper and human arm

Bat wing and insect wing

Fish tail and bird wing

A pterosaur wing, a bat wing and a butterfly wing are:

homologous structures

analogous structures

trace fossils

vestigial parts

Two flying organisms have wings: one supported by bones, the other an extension of the exoskeleton. We can infer:

a recent common ancestor

no recent common ancestor

they are the same species

one evolved from the other

Archaeopteryx is an example of:

an index fossil

a transitional fossil between reptiles and birds

a trace fossil

a mold

The bones of the reptile jaw evolved into:

bones of the mammal middle ear

feathers

teeth

scales