Evolution And Genetics Question Preview (ID: 37733)


EOG Review Unit 6. TEACHERS: click here for quick copy question ID numbers.

The traits that help organisms survive in a given environment are called ___________.
a) adaptation
b) competition
c) biology
d) genetic variation

A ________ is a change in a gene or a chromosome.
a) adaptation
b) natural selection
c) mutation
d) genes

_________ is a process by which organisms that are best suited to a particular environment survive and reproduce.
a) variation
b) natural selection
c) genes
d) parasitism

Evolution leads to diversity, or variety, of species.
a) True
b) False
c)
d)

___________ are body parts of different organisms that have a similar structure but not necessarily a similar function.
a) genes
b) evolution
c) analogous structures
d) homologous structures

_________ are body parts that have a similar function but not a similar structure.
a) analogous structures
b) vestigial structures
c) homologous structures
d)

A ___________ is a body part that does not seem to play a role in the body functions of an organism.
a) homologous structures
b) vestigial structures
c) analogous structures
d)

To write the scientific name of an organism you need the genus and species
a) True
b) False
c)
d)

At which level of classification are organisms able to breed with one another, producing fertile offspring?
a) kingdom
b) phylum
c) genus
d) speies

Which of these is least likely to show commons ancestry?
a) homologous structures
b) vestigial structures
c) DNA
d) analogous structures

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