Evolution

Front

Which structures below are analogous structures? Options: human arm & cat arm, dog's nose & snake's tongue, reptile foot & bird foot, bat wing & mouse arm

Back

dog's nose & snake's tongue

Front

Which structures below are vestigial structures? Options: mouse arm & bat wing, human arm & bat wing, wisdom teeth & an appendix, dog's nose & snake's tongue

Back

wisdom teeth & an appendix

Front

Which structures are homologous structures? Options: human arm & cat arm, dog's nose & snake's tongue, wisdom teeth & an appendix, dolphin fin & fish fin

Back

human arm & cat arm

Front

Different in structure but share common job or function: Vestigial structures, Analogous structures, Homologous structures

Back

Analogous structures

Front

Similar in structure but are different in job or function: Vestigial structures, Analogous structures, Homologous structures

Back

Homologous structures

Front

Non-functional structures now but once were used by ancestors

Back

Vestigial structures

Front

Which one of these is an example of artificial selection? Options: size of finches beaks, length of tortoises's neck, polar bear's fur color, dog breeding

Back

dog breeding

Front

Which one of these is an example of natural selection? Options: size of finches beaks, dog breeding, cattle breeding, hybrid plants

Back

size of finches beaks

Front

When more offspring are being produced, there is a competition of limited resources---this is known as:

Back

Struggle for Existence

Front

When only the fittest organisms survive & reproduce---this is known as: Options: Struggle for Existence, Survival of the Fittest, Descent with Modification, Adaptation

Back

Survival of the Fittest