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5 Cards in this Set
- Front
- Back
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Eggs w/ image
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Frogs lay their eggs in water or wet places. A floating clump of eggs is called frog spawn.
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Tadpole w/image
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After its 21 day development period, the embryo leaves its jelly shell, and attaches itself to a weed in the water. This quickly becomes a tadpole, a baby frog.
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Tadpole with legs w/image
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After about five weeks, the tadpole begins to change. It starts to grow hind legs, which are soon followed with forelegs. Behind their heads bulges appear where their front legs are growing. Their tails become smaller.
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Froglet w/image
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Over time, the tadpole becomes even more froglike. They have shed their skin and lips. Its mouth widens, and it loses its horny jaws. The tail becomes much smaller, and the legs grow. The lungs are almost functioning at this point.
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Frog w/image
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Eleven weeks after the egg was laid, a fully developed frog with lungs, legs, and no tail emerges from the water.
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