2.  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

3.  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!

4.  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

5. 0-1 points2-3 points4 points5 points Points Information 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

6. Remember: - Maximum 3 slides - 3 minutes maximum - (start streaming videos in another window before you begin so they are ready when you need them)

7.  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

8.  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/AquaticEco systems/Antarctica/Seals/weddellsounds. wav

9.  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 Weddell Seal Carving Ice  Sources:  http://www.arkive.org/weddell-seal/leptonychotes-weddellii/video-10.html http://www.arkive.org/weddell-seal/leptonychotes-weddellii/video-10.html  http://nationalzoo.si.edu/scbi/AquaticEcosystems/Antarctica/Seals/weddells ealfactsheet.cfm http://nationalzoo.si.edu/scbi/AquaticEcosystems/Antarctica/Seals/weddells ealfactsheet.cfm  http://www.antarctica.gov.au/about-antarctica/fact-files/animals/seals-and- sea-lions/weddell-seals http://www.antarctica.gov.au/about-antarctica/fact-files/animals/seals-and- sea-lions/weddell-seals

10.  Powerpoint must be emailed before class on April 30 th (10B) / May 2 nd (10A) › You may choose to do a Prezi if you want to… the same rules apply  Presentations in class April 30 th – May 3 rd