Development stages of a frog
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The fertilized eggs are called frog spawn.
Embryos are protected in a bag of jelly substance.
After a week, the eggs hatch into tadpoles which swim and breathe through gills.
At 7 to 10 days after the tadpole has hatched, it will begin to swim around and feed on algae.
By the 4th week, tadpoles can be fairly social creatures. Some even interact and school like fish.
After about 6 to 9 weeks, little tiny legs start to sprout. The head becomes more distinct and the body elongates.
After about 7 weeks, the hind legs begin to develop.
After about 9 weeks, the tadpole looks more like a small frog with a long tail.
The tail begins to absorb into the frog and the front limbs develop.
At 14 weeks the frog has reached adult status and can leave the water.