Download 14-Chapter 7.1

Name:
Date:
Period:
ID: A
Chapter 7.1 quiz
Multiple Choice
Identifu the choice that best completesthe statementor answersthe question.
A speciesis a group of similar organisms
l . (l point)
that
a. can mate with eachother and producefertile
offspring.
b. can live togetheron an island.
c. can migrateto an island from the mainland.
d. all have exactlythe sametraits.
The gradualchangein a speciesover time is
5 , (l point)
called
a. mutation.
b. evolution.
c. migration.
d. variation.
Darwin concludedthat organismson the
6 . (l point)
What did Darwin infer from his observations
2 . (l point)
of organismsin SouthAmerica and the Gal6pagos
Islands?
a. The organismson the GalfpagosIslandswere
virtually identicalto mainlandorganisms.
b. A small numberof different plant and animal
specieshad cometo the mainlandfrom the
Gal6pagosIslands.
c. The organismson the Gal6pagosIslandswere
completelyunrelatedto mainlandorganisms.
d. A small numberof different plant and animal
specieshad cometo the Gal6pagosIslands
from the mainland.
a
J.
(l point)
What did Darwin observeabout finchesin
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.
A trait that helpsan organismsurviveand
4 . (l point)
reproduceis called a(n)
a. mutation.
b. selection.
c. adaptation.
d. variation.
GalSpagosIslands
a. had changedover time.
b. had remainedthe same.
c. were the result of selectivebreeding.
d. had no variations.
-
(l point)
Differencesbetweenmembersof the same
speciesarecalled
a. predators.
b. selections.
c. traits.
d. variations.
What is the role of genesin evolution?
8 . (t point)
a.
b.
c.
d.
Only genescan be actedon by natural
selection.
Parentswith recessivesenesdie from
overproduction.
The genesof most surviving parentshave only
dominantalleles.
Only traits that are controlledby genescan be
actedon by natural selection.
ID: A
Name:
The marbled murrelet, an endangered
9 . (l point)
seabirdin California, is dependentupon
sequoiaforests and trees for survival. What
might happento the marbled murrelet
populationif the sequoiapopulationwent
extinct?
a. The population of marbled murrelet would
remainthe same.
b. The populationof marbledmurreletwould
increase.
c. The marbled murrelet would go extinct.
d. The marbledmurreletwould be placedon
the threatenedspecieslist.
Which term refersto a speciescreatingmore
1 0 . (r point)
offspring than can possibly survive?
a. natural selection
b. overproduction
c. evolution
d. variation
How doesnatural selectionleadto
1 1 . (1point)
evolution?
a. Strongeroffspring kill weakermembersof the
species.
b. Helpful variationsaccumulateamongsurviving
membersof the species.
c. Overproductionprovidesfood for stronger
membersof the species.
d. Environmentalchangesfavor weakermembers
ofthe species.
Modified TruelFalse
Indicatewhetherthestatementis true orfalse. If false, changethe identifiedword or phraseto makethestatementtrue.
Gradualchangein a speciesover time is
12. (l point)
called adaptation.
If a diseasewere introducedinto the cheetah
14. (l point)
population,it could threatenthe survival of the
speciesbecausethey have geneticdiversity.
Through natural selection,harmful
1 3 . (l point)
variationsgraduallyaccumulatein a species.
Completion
Complete each statement.
Organismsbelongingto the same
15. (l point)
can usually mate and
producefertile offspring.
ln the processofnatural selection,the
1 8 . (l point)
organismsthat are best suitedto their environments
are most likely to survive and
The harmlessviceroy butterfly looks like the
16. (l poinr)
poisonousmonarchbutterfly. This
The only traits that can be actedupon by
1 9 . (r point)
enables
theviceroybutterflyto
natural selectionare thosethat are controlledby
survive.
l7 . (l poin0A(n)
lSa
well-testedconceptthat explainsa wide rangeof
observations.
EYOLUTION
AUIZ
Name
?er:
Directions:write the letter of the correct answeron the lineat the left.
1, An adafiation
a.
b,
c.
d,
ie any tralt, t hat, helpsa livingthlng
Suwlve andreproduce
Overproducevarlallong
hecomelarger
Eecomesmaller
2. Limited f ood, waler, and shelter result e in
a. A changeinthe environmenL
b. Competition
c. Overproduction
d, Underproductlon
3.The shapeof abird'sbeakle an exampleof a(nl
a. Adaptation
b, Fossil
c. Ertinctlon
d. Genug
4. Diflerences bet ween membersol one species are called
a. Natural select";ion
b, Overproduction
c. Variallon
d. Extlnclion
5. D atwin r eas o ned t hat, limit ed retuurc ee in an ar ea w ouldlead to
a. Compelitionamongorganlsms
b. Extlnction of all organiemslnan area
c, Genelic variation among organisms
d. lncreasesinpopulailon
6.tNhich of t,hefollowingie notexplainedbyDarwin'otheory of evolutlonby naturalseleclion?
a. Thefossilrecord
b. Theorigin oftheEarth
c, The divereity of livlngthlnga onEafi,htoday
d. The variety of beaks amonghnches onthe Galapagoslslands
7 . lf a population of a einglespecieebecomes separated into two isolated groups,a newepecies
may evolveafter
a. Allelesare shuffled in each genepool
b. One groupstopsreproduclng
c. Characl'erietlcs inboth groups changegraduallyover n,any generatione
A. Onegroupfaces extinclion, whilei,he other overpopulatee
DIRECTION1:
lf the statement is true, write true. lf the statement is false,changethe underlinedwordor
wordgto makethe statement true.
A, A ( n) comgetitio n helps an o r ganismeuwive in iis environm ent
9. Faclors inthe environmenl canaffecl, an organism'sability to guwive.
1O' A differencebetween individualgof the same specleeis called overproduction