ORIGIN AND IIIOIIITION OT R[PTI[[S

VOCABULARY REVIEW Define the following terms.

1. amnion [],', \ ;l.1. l.t fr,rt

", (c, {) ,

r{\i . !;zi,, L(\

.7rt'",./ -' f"t_ ,viil_,' ;'.,\:.-

t.irit:

i,tiilii

iiiiL I ll/ ,lt,.lf.tiliiliiri

5. keratin

t/9',y 7 ,r9.

doaq

En

=

I

;EN

7)cp

-"B'o

U

MULTIPLE CHOICE Write the correct letter in the blank.

\ i l. One group of extinct reptiles that could fly were the

a. dinosaurs. b. pterosaurs. c. plesiosaurs. d. ichthyosaurs.

' ,,, 2. The asteroid-impact hypothesis proposes that

a. all dinosaur fossils more than 65 million years old were destroyed by an asteroid.b. all reptiles were destroyed by an asteroid 65 million years ago.c. the ancestors of dinosaurs were brought to Earth on an asteroid.d. the sudden extinction of dinosaurs was caused bv an asteroid that hit Earth.

3. Birds are thought to be most closely related to

a. dinosaurs. b. lizards. c. crocodiles. d. turtles.

The amniotic egg is found only in

a. reptiles.b. reptiles and birds.

5. Gas exchange in reptiles takes place in the

reptiles, mammals, and birds.amphibians, reptiles, mammals, and birds.

d. lungs and skin.

c.d.

i..

a. gills. b. lungs. c. skin.

Modern Biology study Guide 1&

1. List two pieces of evidence thql support

ttqtlE

SHORT ANSWER Answer the questions in the space provided'I-'lr, .l ,

the asteroid-impact hypothesis' Y

why is the skin of a reptile better adapted to p terrestrial environm€nt than is the skin of an

"*on*r*, ,l tl f l-vl^ < l' i '\ I f, Jr:i ''

{

Critical Thinking At one time, all of Earth's land masses were loined in a supercontinent called

^+o .rrhinl

ffiil. il"ri'iioil'u;;;.y"J, *,;;;;;;"san to break up into separate continents, which

-^ -,,^I- -^-a zlirrarce affer fhi:,.T;T;ffi;r*.'il"',",iJ"i'"''8"il;fu thaidinosaur,lTT-"-T:*:::i:",::""""*:1i:::il:lt$ffi##;";;;d; e*su* -ulnu.'".ont ibuted to the increase in dinosaur o*TlY

Q t''i r i'i I\/ t't\.

Lt-;"i l-y11,' ,1,1 I<Ll/

srRucruREs AND FUNGTToNS The phyrogenetic diagram berow provides a hypothesis

for how modern 6tll;;;;;i"iut"utf 6acfr o$e1.ana to dinosauri and birds' In the

blank spaces, write'the names of the inimals that belong on each branch of the diagram'

Choose the naines from th€ following list:

birds crocodiles ' dinosaurs lizards snakes tuataras turtles

Early reptiles

n+lsq*(l{ltpsIqE

Ia

iI

E,ea

au

I

eD Section 4'l-1 Review

Name Class Date

PRIMATXS AND HIIMAN ORICINS

VOCABUTARY REVIEW Define the following terms.

l. prehensile appendagei;;lr,, t7.^I l,l t, i i ' it 1t1{l

,l

'iirii.

liii

jiilr

i..i

jli

'ir'j

rii

i.i

i.ii

iri

Jii,

i,i

i'll

,rtl

..itj,i,

{il

{i

2. opposable thumb

3. bipedalism

hominid

MULTIPIE CHOICE Write the correct letter in the blank.

c.d.

a.b.

teeth specialized for a carnivorous dietopposable thumbs

c. the great apes.d. All of the above

-t= l. Which of the following is NOT a primate characteristic?

large brain relative to body sizebinocular vision

,r\I

---t * 2. Primates that exhibit bipedalism include

humans.New World monkeys.

a.

b.

Ir\-- 3. The oldest known australopithecine is

iL 4.

a. height.b. brain capacity.

a. Lucy' c. Australopithecus africanus.b. Australopithecus anamensis. d. Austrolopithecus robustus.

Similarities between Homo hobilis and modern humans include

c. facial structure.d. ability to.use tools.

Accordirlg to the multiregional hypothesis

a. local populations oI H. erectusgave rise to local populations of. H. sapiens.b. H. sapiens evolved from /{ erectus in Africa.c. H. sapiens evolved from H. erectus in Asia.d. H. sapiens evolved from at least two species of hominids.

r!

FII*tFg

If,

fif,i,&{Tt{,ILF'A

Modern Biolonv (frrdv Grrirle tllf

-Date ---.-

sHoRT ANSWER Answer the questions in the space provided.

1. List three characteristics of primates'-- €

2. Describe two anthropoid adaptations.

3. How is the human skeleton adapted to bipedalism?

4. Contrast the multiregional hypothesis with the recent-African-origin hypothesis'

F. Gritical Thinking Why is it considered inaccurate to refer to a'missing link" with respect to human

evolution?

STRUCTURES AND FUNGTIONS The table below compares several-physical-traitsbetween

;;;;;; unJ.ni.panzees. Complete the table by filling in the missing information'

Physical Traits Human Chimpanzee

500 cm3

flat

larger

Cranial capacitY a

Spi ne $shaped

Pelvis c

Toes aligned

Jaw e

(D . Section 43-4 Review