life cycles

1. plants

2. animals

2.1. 3 stage

2.1.1. Birds

2.1.1.1. egg,young,adult

2.1.1.1.1. chicken

2.1.2. fish

2.1.2.1. egg,young,adult

2.1.2.1.1. goldfish

2.1.3. mammals

2.1.3.1. egg,young,adult

2.1.3.1.1. human ,cats,dogs

2.1.4. insects

2.1.4.1. egg,nymph,adult

2.1.4.1.1. cockoach,grasshopper

2.2. 4 stage

2.2.1. insects

2.2.1.1. egg,larva,pupa,adult

2.2.1.1.1. butterfly,moth