1994 Ap Biology Essay Answers

 

FebOS

04

05:0Sp

BIOLOGY

SECTIONI

p.3

Time-l

hour

and

30

minutesDirections:Each

of

thequestions

or

incompletestatementsbelow

is

followed

by

fivesuggestedanswersorcompletions.Selecttheonethat

isbest

ineachcaseand

then

fill

in

the

corresponding

ovalon

the

answersheet.

1.Which

of

the

followingis

the

mostabundantcarbon-containingcompoundintheatmosphereofthe

Earth?

(A)

Carbonmonoxide

(B)

Carbondioxide

(C)Carbontetrachloride

(D)

Ethane

(E)

Ozone2.

Duringhibernation,therateofcellularrespirationinamammal

is

Iypically

lessthanhalftheratemeasuredwhenthemammalisnothibernating.Suchslowedcellularrespirationisprobablyaccom-

paniedbywhich

of

thefollowing?

PulseRateBod)::Tem~erature

(A)

ReducedReduced

(B)

UnchangedReduced

(C)

ReducedIncreased

(D)

UnchangedIncreased

(E)

IncreasedReduced

3.

Membersofwhichofthefollowinganimalgroups

wereamongthe

first

toinhabitlandandwereances-tors

ofthereptiles?

(A)

Amphibia

(B)

Arthropoda

(C)

Aves

(D)

Mammalia

(E)Echinodermata4.

If

2n

=

48for

a

particularcell,thenthechromo-somenumberineachcellaftermeiosiswouldbe

(A)96

(B)48

(C)24(D)12

(E)6

s.

Vascularplants

withspores

bornein

sporangia

on

theunderside

of

leavesarecharacteristicofwhich

of

the

following

plant

groups?

(A)

Bryophyta(mosses)(B)Chrysophyta(goldenalgae)(C)Anthophyta(floweringplants)

CD)

Pteridophyta

(ferns)

(E)Coniferophyta

(conifers)

6.

If

aninvertebratepossessesnephridiaasanexcre-torysystem,skin

.as

agasexchangesystem,and

a

closed

circulatorysystem,theanimalis

most

likelyto

be

(A)

a

snail

(B)

a

planarian

(C)

anearthworm

(D)

agrasshopper

(E)

a

jellyfish

7.Thewingofabat,theflipperofawhale.andtheforelimbofahorseappearverydifferent,yetdetailedstudiesrevealthepresenceofthesamebasicbonepattern.These

structures

are

examples

of(A)analogousstructures

(B)homologousstructures

(C)

vestigialstructures

(D)

balancedpolymorphism

(E)

convergentevolution

Мидж.  - Он постарался ее успокоить, входя вслед за ней в комнату заседаний к закрытому жалюзи окну.  - Пусть директор разбирается.

Она посмотрела ему в .

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