3. Growing and changing of animals

i)  All animals grow in size and weight.

ii) They change in size and weight as they grow. They become bigger and heavier.  

iii) All kinds of animals change and grow. They go from babies to adults. Some animals' babies came out of eggs they lay like birds, most  fish, amphibians and reptiles have babies that way. Mammals' babies are take care by their parents until they have grown.