Slide 1

Snakes

1There are over _____ different species of snakes alive today. They live in a variety of land and water habitats. But the largest snakes are found in __________________.

2,000tropical rainforests2Snakes are found on every continent except ____________.There are no snakes native to Hawaii, Iceland, Ireland, or New Zealand.

3Snakes have long, narrow bodies and ______ skin. They have no ________, no external ear openings, and no ____.

scalyeyelidslegs4As they grow, snakes _____ their old skin and the film that covers their eyes.

shed5Snakes are ___________ (meat-eaters). They eat rodents and other mammals, birds, reptiles, fish, amphibians, insects, and eggs.

carnivores6Some snakes have patterns that allow them to both _____ from enemies or to hide until they can ________ their prey.

Can you see the copperhead?hidecapture7

8Some snakes are __________ and kill (or paralyze) their prey by injecting venom through hollow ______ .

venomousfangshttps://www.youtube.com/watch?v=XStyl-mHwgU9Most Venomous SnakeWhat venom does to blood:https://www.youtube.com/watch?v=XStyl-mHwgUhttps://www.youtube.com/watch?v=aykd0-dporcSome snakes (like boas and the anaconda) kill their prey by __________ it to death. Snakes do not chew their food or even bite it into pieces; snakes swallow their food _____.

Snake eating a kangaroosqueezingwhole11

Python Eating Pregnant Sheep12Clips of snakes eatinghttp://www.youtube.com/watch?v=Cn6K6kc5kGA Cobra vs. Rat SnakeThrasher vs. King Snakehttp://www.youtube.com/watch?v=rsC-QnabAJs https://www.youtube.com/watch?v=OCB2Jsmu_fwWorlds Deadliest Snakes (44 min.)http://www.youtube.com/watch?v=HJ-fnPLEX8o Attack of the Two-Headed Snake13Which snake is the biggest and heaviest?The Anaconda of South America

https://www.youtube.com/watch?v=MiHPMpXqX2014What is the longest snake?Reticulated Python (over 10 m long)

15Which snake is the fastest?Probably the poisonous black mamba. It has been recorded at 12 mph.

https://www.youtube.com/watch?v=HHt0ZiaSXo416Which snakes are the most poisonous land snakes?The taipan, black mamba, and krait.

Taipan

Black Mamba

Kraithttps://www.youtube.com/watch?v=V3jaWJHruOYhttps://www.youtube.com/watch?v=V3jaWJHruOY17Weird and Unusualhttps://www.youtube.com/watch?v=hbPilvb6ohESmallest Snakehttps://www.youtube.com/watch?v=lV6G0iQstn0Brahminy Blind SnakeAlligators and Crocodiles19Alligators are large, _____________reptiles that spend a lot of their lives in the ______. They mostly live in swamps, marshes, canals, and lakes. meat-eating

water20Alligators swim very well, mainly using their ________to propel themselves through the water, and also using their __________ feet.

webbed

An albino alligators webbed feet

An American alligators tail21There are two types of alligators. The __________ alligator which grows up to ____feet long, weighing up to 600 pounds and the _________ alligator which grows to be about __ feet long .

196

AmericanChinese22Alligators are __________and feed primarily at night. Adult gators eat fish, birds, turtles, reptiles, and mammals. They swallow their prey _________. nocturnalwhole

23

Alligator eating a turtle.24

Crocodile eating a wildebeest.https://www.youtube.com/watch?v=4h9re1bHt4025Alligators breed in the ______ and the female lays up to ____ eggs in a large nest she constructed of mud, leaves and twigs on the dry ground.

spring5026The temperature of the nest determines the sex of the hatchlings. If the eggs are incubated over _____F the embryos develop as ________; if the temperature is below ____F the embryos will be _________, between these temperatures, ____________are produced.

93males86femalesboth sexes

27The eggs hatch in _________, producing babies about 6 inches long. The group of babies, called a _____, are protected by the female for about a ______. Alligators are among the most __________ of the reptiles.

http://video.search.yahoo.com/video/play?p=alligator+hatching&ei=UTF-8&fr=slv8-hpd10&fr2=tab-img&tnr=21&vid=000164132789 2 monthsyearnurturingpod28

Crocodile vs AlligatorAlligatorsCrocodilesHabitatMainly freshwaterFreshwater and saltwaterJawU shapedV shapedTeethUpper teeth visible when mouth closedUpper and lower teeth visible when mouth closedSkinTend to be darker in appearanceTend to be lighter in appearanceTemperamentLess aggressiveMore aggressiveLocationUSA and ChinaAll over the world30

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