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Natural Natural SelectionSelection

Evidence Evidence of of

EvolutionEvolution

Primate Primate EvolutioEvolutio

nn

DarwinDarwin

100100 100100 100100 100100

200200 200200 200200 200200

300300 300300 300300 300300

400400 400400 400400 400400

500500 500500 500500 500500

What is the first thing thaWhat is the first thing that has to take place, in ordt has to take place, in order for natural selection to er for natural selection to occur in a population?occur in a population?

More offspring are producMore offspring are produced than can surviveed than can survive

The struggle to survive amThe struggle to survive among a population indicatesong a population indicates that some members of th that some members of the group have an _________e group have an _____________over others.____over others.

advantageadvantage

These provides a reason These provides a reason for different organisms to for different organisms to have a survival advantage have a survival advantage

over others of their over others of their species.species.

Genetic variationGenetic variation

This is the final step of This is the final step of natural selection.natural selection.

Successful reproductionSuccessful reproduction

True or False: Natural seleTrue or False: Natural selection is sometimes called tction is sometimes called the mechanism behind evolhe mechanism behind evolutionution

TrueTrue

A living animal has remainA living animal has remains of a once-useful structurs of a once-useful structure. What are these remaine. What are these remains in an organism called?s in an organism called?

vestigial structuresvestigial structures

The primary piece of evidence of eThe primary piece of evidence of evolution comes from _________, whivolution comes from _________, which are found in sedimentary rocks.ch are found in sedimentary rocks.

FossilsFossils

If two organisms have a loIf two organisms have a lot of bases or amino acids ot of bases or amino acids of DNA in common, they mof DNA in common, they most likely have a recent ____st likely have a recent _________________._____________.

common ancestorcommon ancestor

When two organisms have When two organisms have similar bone arrangements, they similar bone arrangements, they

are said to have ____________ are said to have ____________ structures.structures.

homologoushomologous

Early in development, chickens Early in development, chickens and humans have similar forms. and humans have similar forms.

This early development This early development similarities are called similarities are called

___________structures_.___________structures_.

EmbroyonicEmbroyonic

One of the characteristics One of the characteristics that sets primates apart frthat sets primates apart from other mammals is theiom other mammals is their ability to grasp things. r ability to grasp things. What body part allows theWhat body part allows them to do this?m to do this?

Opposable thumbOpposable thumb

A feature that is specific toA feature that is specific to primates is their use of bi primates is their use of binocular vision, which enabnocular vision, which enables them to see _________.les them to see _________.

depthdepth

Most of the earliest Most of the earliest

hominid fossils were found hominid fossils were found on what continent?on what continent?

AfricaAfrica

Name the variety of hominids Name the variety of hominids that modern humans are most that modern humans are most directly descended from (those directly descended from (those

that came directly before that came directly before modern humans).modern humans).

Cro-MagnonsCro-Magnons

Which of the following wasWhich of the following was the earliest example of a the earliest example of a hominid that was found?hominid that was found?

a. a. Homo habilisHomo habilisb. b. AustralopithecusAustralopithecus

c. c. Homo erectusHomo erectusd. d. Homo earliusHomo earlius

b. b. AustralopithecusAustralopithecus

Darwin did his most imporDarwin did his most important research on this animtant research on this animal.al.

FinchesFinches

What feature on organismWhat feature on organisms did Darwin draw most of s did Darwin draw most of his conclusions from?his conclusions from?

BeaksBeaks

Darwin developed the theDarwin developed the theory of __________.ory of __________.

Natural selectionNatural selection

Darwin did his most imporDarwin did his most important research at this locatitant research at this location.on.

The Galapagos IslandsThe Galapagos Islands

True or False: Darwin’s True or False: Darwin’s studies were quite popular studies were quite popular among his contemporaries among his contemporaries (other people of his time.)(other people of his time.)

FalseFalse

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Key Key VocabularVocabular

yy

True/True/FalseFalse

Double Double Trouble Trouble

PotpourriPotpourri

200200 200200 400400 200200

400400 400400 800800 400400

600600 660000 12001200 600600

800800 800800 16001600 800800

10001000 10001000 20002000 10001000

A characteristic that helps A characteristic that helps an organism survive in its an organism survive in its environmentenvironment

aadaptationdaptation

A method of finding an aA method of finding an approximate age of a fosspproximate age of a fossil is called ______________il is called ___________________._____.

relative datingrelative dating

The general name givenThe general name given to the group of humanli to the group of humanlike primates.ke primates.

hominidhominid

The solidified remains orThe solidified remains or imprints of a once-living imprints of a once-living organism organism

fossilfossil

A group of organisms thA group of organisms that share the characteristat share the characteristics of opposable thumbsics of opposable thumbs, binocular vision, and fl, binocular vision, and flexible shoulders.exible shoulders.

primatesprimates

True/False: True/False: Humans evolved from chiHumans evolved from chimps, which is why they shmps, which is why they share so much DNA.are so much DNA.

FalseFalse

True/False: True/False: Because evolution is a tBecause evolution is a theory, it’s just a guess heory, it’s just a guess with no evidence to bacwith no evidence to back it up.k it up.

FalseFalse

True/False: True/False: All animals share a comAll animals share a common ancestormon ancestor

TrueTrue

True/False: True/False: Evolution is controversial bEvolution is controversial because people don’t like Cecause people don’t like Charles Darwin.harles Darwin.

FalseFalse

True/False: Natural True/False: Natural selection and evolution selection and evolution

are the same thing.are the same thing.

FalseFalse

What special type of What special type of elements are helpful for elements are helpful for determining the age of determining the age of

fossils?fossils?

radioactive radioactive

What is the difference What is the difference between radiometric between radiometric dating and relative dating and relative

dating?dating?

relative dating=approximate relative dating=approximate age; age;

radiometric dating=actual radiometric dating=actual ageage

What is an example of What is an example of an adaptation?an adaptation?

Any number of things, Any number of things, including camoflauge, including camoflauge, sharp teeth, heavy fur, sharp teeth, heavy fur,

etc.etc.

Give an example of Give an example of evidence that indicates evidence that indicates

that humans and that humans and dolphins, a type of dolphins, a type of porpoise, share a porpoise, share a common ancestor.common ancestor.

Bones of the forelimb (arm Bones of the forelimb (arm and front flipper) are and front flipper) are

similarsimilar

What is the correct order of hominids?What is the correct order of hominids? A. A. Homo erectus, homo habilis, homo Homo erectus, homo habilis, homo

sapienssapiensB. B. Homo sapiens, homo habilis, homo Homo sapiens, homo habilis, homo

erectus erectus C. C. Homo habilis, homo erectus, homo Homo habilis, homo erectus, homo

sapienssapiensD. D. Homo habilis, homo sapiens, homo Homo habilis, homo sapiens, homo

erectuserectus

C. C. Homo habilis, homo erectus, Homo habilis, homo erectus, homo sapienshomo sapiens

The gradual change in a species The gradual change in a species over time is called __________.over time is called __________.

EvolutionEvolution

What is the name for a species tWhat is the name for a species that no longer has any living mehat no longer has any living members?mbers?

ExtinctExtinct

What is a species?What is a species?

Individuals that can interbreed aIndividuals that can interbreed and produce fertile offspring.nd produce fertile offspring.

Give an example of how humansGive an example of how humans can cause “natural” selection. can cause “natural” selection.

In the case of elephants in Sri LaIn the case of elephants in Sri Lanka, humans killed those with tunka, humans killed those with tusks, and eventually the gene for sks, and eventually the gene for tusks is becoming lost.tusks is becoming lost.

Provide two differences betweenProvide two differences between Neanderthals and Cro-Magnon Neanderthals and Cro-Magnon

homo sapienshomo sapiens..

Any number of things, including Any number of things, including different body features (Neanderdifferent body features (Neanderthals are thicker, shorter, prominthals are thicker, shorter, prominent brow, wide nose, etc), differeent brow, wide nose, etc), different use of language, Cro-Magnon nt use of language, Cro-Magnon cave drawings and buried dead, cave drawings and buried dead, etc.etc.

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Please place a wagerPlease place a wagerCategory: Category: Eukaryotic Oraganelle Eukaryotic Oraganelle

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Make a Venn Diagram comparing and Make a Venn Diagram comparing and contrasting these two organelles: ER contrasting these two organelles: ER

and the Golgi. Most accurate and the Golgi. Most accurate information wins!information wins!