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
- Tetrapod, Amphibia, powerful hind legs