Focus in on one group (order) of vertebrates

Research one major characteristic of the group in general

Choose one focus animal to highlight

Presentations in class, each person presenting their own section

Major characteristics :› Respiratory system› Excretory system› Cardiovascular system (including the structure of

the heart)› Nervous system / Senses› Reproductive system / how it reproduces› Digestive system / how and what it eats › plus... sources of information for each slide

› You need to compare your characteristic with how that system works in humans!

Role in the ecosystem Specific behaviors or adaptations Habitat and where in the world it is

found Unusual or cool characteristics Reproductive and digestive system

information (mammals only) Sources of information

0-1 points 2-3 points 4 points 5 points PointsInformation Little or no / incorrect

information and no sources of information

Some of the information included or partially correct, some sources listed

Most or all of the information included and all is correct, all sources listed

All the information included and correct with interesting extra details, all sources listed

/20

Text on slides

Too much text (full sentences) or too little information

Some full sentences or confusing text

Short main points included but main ideas unclear

Short main points included and are easy to understand with explanation

/5

Visual Appeal

Text is hard to read or no visual aids used

Some pictures, colors and animations were used but the text is difficult to read

Pictures and some animations were used and the text is easy to read

Excellent choices for pictures and the text is clear, attractive and animated

/5

Speaking / Engaging the audience

The presenter was difficult to understand and did not look at the audience

The presenter spoke clearly and loudly but did not look at the audience

The presenter spoke clearly and loudly and looked at the audience sometimes

The presenter spoke clearly and loudly and looked at the several places in the audience many times

/5

Explaining The presenter did not explain the information and read the slides

The presenter read some of the words off the slide and explained some

The presenter explained all the information without reading off the slides

The presenter gave excellent explanations that were easy to understand for all slides

/5

Timing The presentation was more than a minute over/under their time

The presentation was one minute over/under their time

The presentation was 30 seconds over/under their time limit

The presentation was exactly the right length /5

Total / 55

Remember:

- Maximum 3 slides- 3 minutes maximum

- (start streaming videos in another window before you begin so they are ready when you need them)

400 to 500 kg, up to 3m long

Swim with back flippers

Thick blubber Live on ice / waters

around Antarctica Incredibly deep divers

› Up to 700m deep! Hold their breath for up

to 45 min › possibly 80min max

Placental mammals › Mate underwater› Placenta inside the uterus nourishes

the fetus› Live single pups born on the ice› Feed their pups milk for 6 weeks

Short digestive tract (carnivore)› Feed on fish and squid (bottom)› Find food in darkness (whiskers)› Reports of 40kg fish being caught!› Eaten by killer whales or leopard seals

underwater

Vocalize beneath the ice (territory claim?)

http://nationalzoo.si.edu/SCBI/AquaticEcosystems/Antarctica/Seals/weddellsounds.wav

Need to breathe!› Keep ice holes open with

their teeth in the winter› Wears down teeth over

time shorter lifespan (15-20 years compared to 40 other seals) Weddell Seal Carving Ice

Sources: http://www.arkive.org/weddell-seal/leptonychotes-weddellii/video-10.html http://nationalzoo.si.edu/scbi/AquaticEcosystems/Antarctica/Seals/

weddellsealfactsheet.cfm http://www.antarctica.gov.au/about-antarctica/fact-files/animals/seals-and-

sea-lions/weddell-seals

Powerpoint must be emailed before class on April 30th (10B) / May 2nd (10A)› You may choose to do a Prezi if you

want to… the same rules apply Presentations in class April 30th – May

3rd