reptiles lizards - 6th grade tlc · 2019. 3. 27. · lizards and snakes •skin covered with...

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amphreptilenotes.notebook 1 April 24, 2014 Mar 114:04 PM Amphibians and Reptiles Amphibians ectothermic, spend early life in water, later life on land 2 major groups salamanders and newts keep tails as adult toads and frogs lose tails as adult undergo metamorphosis gills early, lungs after closed circulatory system 3 chambered heart 2 upper chambers called atria receive blood lower chamber called ventricle pushes out blood to lungs and body Mar 114:04 PM Obtaining food tadpoles are herbivores adults are carnivores use camouflage to help catch food Movement have strong skeletons and muscular limbs adapted for moving on land salamanders crawl frogs and toads have legs meant for leaping webbed feet help with swimming

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Page 1: Reptiles Lizards - 6th Grade TLC · 2019. 3. 27. · Lizards and snakes •skin covered with overlapping scales •shed skin as they grow •live in warm areas •most lizards are

amphreptilenotes.notebook

1

April 24, 2014

Mar 11­4:04 PM

Amphibians and Reptiles

Amphibians • ectothermic, spend early life in water, later life on land• 2 major groups

­ salamanders and newts­ keep tails as adult

­ toads and frogs­ lose tails as adult

• undergo metamorphosis­ gills early, lungs after

• closed circulatory system­ 3 chambered heart­ 2 upper chambers called atria 

receive blood­ lower chamber called ventricle pushes out blood to lungs and body

Mar 11­4:04 PM

Obtaining food

• tadpoles are herbivores• adults are carnivores• use camouflage to help catch food

Movement • have strong skeletons and muscular limbs adapted for moving on land• salamanders crawl• frogs and toads have legs meant for leaping• webbed feet help with swimming

Page 2: Reptiles Lizards - 6th Grade TLC · 2019. 3. 27. · Lizards and snakes •skin covered with overlapping scales •shed skin as they grow •live in warm areas •most lizards are

amphreptilenotes.notebook

2

April 24, 2014

Mar 11­4:04 PM

Reptiles • ectothermic, has lungs and scaly skin• dry, tough skin, kidneys and eggs are adapted to conserve water• reproduce sexually• closed circulatory system with 4 chambered heart

Lizardsand snakes

• skin covered with overlapping scales• shed skin as they grow• live in warm areas• most lizards are carnivores while all snakes are carnivores

Mar 11­4:04 PM

Alligatorsand Crocodiles

• large, carnivorous that care for their young• hunt at night• use strong jaws and tail to catch food

Turtles • live in oceans, fresh water and land• body is covered by protective shell that includes ribs and a backbone• have a sharp edged beak to feed