( ) 1. The sea turtle's egg buried in a hollow tree.
( ) 2. An owl's egg sits in a sandy hole.
( ) 3. After several weeds, a tadpole grows legs, then it will be a frog.
( ) 4. The chicks find seeds on the ground.
( ) 5. The butterfly's egg is stuck to some straw and feathers.
( ) 6. The butterfly first becomes a caterpillar then be a cocoon. At last it becomes a butterfly.
