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Unformatted text preview: webbed feet powerful hind legs ear drum poison gland (makes toad distasteful to predators) nostril nostril water surface Newts swim by wriggling their bodies and thrusting with their long tail D.G. Mackean Capillaries in frog skin (under microscope) Frog Toad Newt capillary vessels 1 2 3 Feeding . A frog has an extensible tongue with a sticky surface. It can flick the tongue out to catch an insect resting on a leaf or even in flight. The food is mainly worms, slugs, beetles and other insects. Breathing air . The frog draws air in through its nostrils and pumps it into the lungs by movements of its mouth floor. Body temperature . Amphibia are often described as cold-blooded but, in fact, their temperature varies with that of their surroundings. pigment cell...
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- Fall '11