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^hapter
Date:
7 Sections I & 2 Quiz
Multiple Choice
Identifu the choice that best completesthe statementor answers the question.
1. A speciesis a group of similar organismsthat
a) can matewith eachother and producefertile offspring.
b) can live togetheron an island.
c) can migrateto an island from the mainland.
d) all have exactlythe sametraits.
i
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2. What did Darwin observeabout finches in the Gal6pagosIslands?
a) Their featherswere adaptedto matchtheir environment.
b) Their beakswere adaptationsrelatedto the foods the finchesate.
c) They had identicalphenotypesin all locations.
d) They had identicalgenotypesin all locations.
3. A trait that helpsan organismsurviveand reproduceis called a(n)
a) mutation.
b) selection.
c) adaPtation.
d) variation.
4. The gradualchangein a speciesover time is called
a) mutation.
b) evolution.
c) migration.
d) variation.
5. Darwin concludedthat organismson the Gal6pagosIslands
a) had changedover time.
b) had remainedthe same.
c) were the result of selectivebreeding.
d) had no variations.
6. Differencesbetweenmembersof the samespeciesare called
a) predators.
b) selections.
c) traits.
d) variations.
7 . What is the role of genesin evolution?
a) Only genescan be actedon by naturalselection.
b) Parentswith recessivegenesdie from overproduction.
c) The genesof most surviving parentshaveonly dominantalleles.
d) Only traits that are controlled by genescan be actedon by natural selection.
'
8. Which term refersto a speciescreatingmore offspring than can possibly survive?
a) naturalselection
b) overproduction
c) evolution
d) variation
ID: A
ID: A
Name:
9. How doesnatural selectionlead to evolution?
a) Strongeroffspring kill weakermembersof the species.
b) Helpful variationsaccumulateamong surviving membersof the species.
c) Overproductionprovidesfood for strongermembersof the species.
d) Environmentalchangesfavor weakermembersof the species.
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10. Which term refersto similar structuresthat relatedspecieshave inheritedfrom a commonancestor?
a) DNA sequences
b) developmentalorganisms
c) homologousstructures
d) punctuatedequilibria
I L If two organismslook very similar during their early stagesof development,this is evidencethat the
organisms
a) are not related.
b) evolvedfrom different ancestors.
c) haveexactly the sameDNA.
d) evolvedfrom a common ancestor.
12. How do most fossils form?
a) An insectbecomestrappedin amber.
b) An entire organismbecomesfrozen in ice.
c) A deadorganismbecomesburied in sediment.
d) A deadorganismbecomesburied in tar.
13. Scientistscombineevidencefrom fossils, body structures,early development,DNA, and protein structuresto
a) determinewhat bonesan animal has in its forelimbs.
b) determinethe evolutionaryrelationshipsamong species'
c) decidewhich fossils are older than others.
\-,
development.
its
early
gills
have
during
will
whether
an
organism
determine
d)
14. What are fossils?
a) molds and castsof organismsthat live today
b) drawingsof ancientanimalsand other organisms
c) footprintsor burrows of small animalsthat live today
d) the preservedremainsor tracesof organismsthat lived in the past
Modified TruelFalse
Indicate whether the statementis true or false. If false, change the identified word or phrase to make the statementtrue.
15. Gradualchangein a speciesover time is called adaptation'
16. An empty spacecalled a cast is formed when an organismburied in sedimentsdissolves'
17. The more similar the DNA sequencesof two speciesare,the more closely relatedthe speciesare'
Completion
Complete each statement.
18. Organismsbelongingto the same
can usually mate and producefertile offspring.
Name:
\*
ID: A
19. Theharmless
viceroybutterflylookslike thepoisonous
monarchbutterfly.This
theviceroybutterflyto survive.
20. A(n)
enables
is a well-testedconceptthat explainsa wide rangeof observations.
21. In theprocess
of naturalselection,
theorganisms
thatarebestsuitedto their environments
aremostlikelv to
surviveand
22' The only traits that can be actedupon by natural selectionare thosethat are controlledby
23. The forelimbsof a bird and a mammal are examplesof
structures.
24. Similaritiesin the early developmentof chickensand opossumssuggestthat theseanimalssharea common
25. Thetheorvof
statesthat speciesevolve quickly over a relatively shorttime.