Frogs have two legs and two arms. Their back legs help propel them into the air. Thier front arms help them land safely on the ground.
Most frogs and toads either live in ponds or mossy areas. You might even know them from seeing them commonly in your backyard. The soft slippery moss helps cushion their jump.
Some frogs are hard to see because they are camouflaged in the plants. It is also sometimes hard to spot small tadpoles in the water.
Tadpoles are frogs begfore they grow. In the picture above you can see it's legs starting to form. Usually frogs lay eggs in very large groups with hundreds of eggs in each. Tadpoles have many siblings.