S ix
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Transcript of S ix
![Page 1: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/1.jpg)
Time is now up for the Do Now!Six minute(s) for Do NowFive
Day 13. How do the physical featuresLinnaeus used reveal evolutionary relationships?
HW or study questions? @MrLinehan
FourThreeTwoOne
INDEP
To answer the question:• List the characteristics
that biologists use to classify organisms
• Read a cladogram
Vocab for today:• Cladistics• Phylogeny• Cladogram
• Ancestral character• Derived character
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Agenda• WHOLE: Review of Do Now• WHOLE: Guided notes• COOP: Stand up, hands up, pair up • INDEP: Practice worksheet• ASSESS: Exit quiz• Check-out
WHOLE
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The Do Now.Let’s review.
WHOLE
![Page 4: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/4.jpg)
PhylogenyWHOLE
Phylogenyis just the evolutionary history of a species.
(How natural selection caused its unique speciation.)
![Page 5: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/5.jpg)
CladisticsWHOLE
Cladisticsis the method we use to analyze and represent phylogeny
(evolutionary history).
This tells us about evolutionary relationships, just like taxonomy!
![Page 6: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/6.jpg)
CladogramWHOLE
Cladogramsare graphic organizers we use to represent phylogeny.
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CladogramWHOLE
![Page 8: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/8.jpg)
Ancestral charactersWHOLE
Ancestral charactersare features shared by two species because of a
common ancestor.
On a cladogram, they appear before the spot where two species branch
apart.
Indicate closer evolutionary relationship.
![Page 9: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/9.jpg)
Derived charactersWHOLE
Derived charactersare features that only one of two species has because
the adaptation emerged after the species split.
On a cladogram, they appear after the spot where two species branch apart.
Indicate more distant evolutionary relationship.
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1. Each person receives a vocab flashcard and becomes an expert on that word
2. You stand up and raise your hand, looking for an available partner with a hand up
3. Walk over and high five4. Quiz each other on your
words5. Trade cards and find new
partner
Stand up, hands up, pair upWHOLECOOP
You should exchange cards at least 10 times in
7 minutes.
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Independent practiceINDEP
8 minutes to complete practice
section.
(Otherwise homework.)
![Page 12: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/12.jpg)
Exit quizASSESS
• Answer multiple choice on clickers using the student code in your binder.
• ASSESS expectations will apply– Any talking or materials on the desk will result in a 0.– It must be silent until every person has turned in the test.
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Track your scoreINDEP
Record your score in the “score one” column of the third row of your unit 2 cover sheet
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Exit quiz make-upASSESS
• Important instructions:– Do not right in test packet. – Answer multiple-choice on clickers. If desired, back up your
answers on a Scantron sheet. (Raise your hand to request one.)
• Any talking or materials on the desk will result in a 0 on that section of the exam.
• It must be silent until every person has turned in the test.
![Page 15: S ix](https://reader036.fdocuments.us/reader036/viewer/2022062408/568138a8550346895da06729/html5/thumbnails/15.jpg)
Exit procedures• Line up in back• Chairs pushed in (A3 & B7 - on tables)• Area cleaned up• Nothing left in the room!• Get today’s participation score, MissionBucks,
and afternoon passes from Mr. Linehan
WHOLE