By Jackie Grade 2 Boundary Street Elementary Life Cycle of the Frog By Jackie Grade 2 Boundary Street Elementary

What are the stages of growth for the frog? Egg Tadpole Young adult Frog

Stage One Eggs The adult female lays eggs in the water. The eggs are small and are protected by a thick, clear, jelly-like substance. The eggs are laid in clusters. Pictures from How Do Frogs Grow? Judy Nayer Newbridge Discovery Links

Stage Two Tadpoles Tadpoles hatch from the eggs. Tadpoles live in water and eat water plants. Tadpoles store fat in their tails. They breath with gills. Tadpoles begin to grow hind legs. Pictures from How Do Frogs Grow? Judy Nayer Newbridge Discovery Links

Stage Three Young Adult The tadpole’s tail becomes shorter as the hind legs grow longer. Front legs begin to appear. Lungs form and gills begin to disappear. When the tail is almost gone, the tadpole has become a frog. Pictures from How Do Frogs Grow? Judy Nayer Newbridge Discovery Links

Stage Four Adult Frog The adult frog lives on land. It breathes through lungs. Its tail has completely disappeared. The adult frog eats insects. Pictures from How Do Frogs Grow? Judy Nayer Newbridge Discovery Links

Frog Facts Frogs belong to the amphibian animal group. They are able to live in most any environment, except in Antarctica and the driest deserts. The most common environments are moist, tropical areas. Frogs have smooth, moist skin; bulging eyes; and eternal eardrums. Long hind legs help frogs make long leaps. Webbed feet also help frogs to become excellent swimmers. A frog’s tongue is attached at the front of the mouth and is covered with a sticky substance.

Frog Facts They have teeth in the upper jaw, but not in the lower. Frogs breathe air, but are able to stay under water for long periods of time. They can also breathe through their skin. Frogs like to eat insects, worms, and centipedes. Some frogs also eat other frogs, tadpoles small fish, mice and small snakes. The largest frog in North America is the bullfrog. It can be 18 inches long and weigh 1.2 pounds. The largest frog in the world is the African Giant frog. It can be 26 inches long and weigh 10 pounds. Frogs help people by eating pesky insects. They are also used for food and research in labs.

Resources Microsoft Encarta Encyclopedia 99 Carson Delosa Life Cycle of the Frog poster www.webshots.com ???Book