er animals. The pond or stream in which the eggs were laid sometimes dries up. As a result, the tadpoles die.
             Certain tropical frogs lay their eggs in rain water that collects among the leaves of plants or in holes in trees. Other tropical species attach their eggs to the underside of leaves that grow over water. When the eggs hatch, the tadpoles fall into the water.
             Among some species, one of the parents carries the eggs until they hatch. For example, the female of certain South American tree frogs carries the eggs on her back. Among another species of frog, the midwife toad, the mal
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