Page 94 - Science
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• Their skin is permeable (which means air can pass
through the skin) and many amphibians therefore
breathe through their skin instead of through
their lungs.
• All amphibians begin their life in water with gills
and tails.
• There are more than 4,000 different kinds of
amphibians.
• There are three types of amphibians: frogs,
salamanders and caecilians.
• The complete change of form from a fish-like
animal to a frog is called metamorphosis.
• There is a group of amphibians called caecilians
which do not have legs.