This chapter reviews the parts and jobs of the flower and the seed. It also tells how seed grow into plants. These groups are then divided into smaller groups. Each different group has different characteristics. This chapter reviews the groups of animals and their characteristics.
Scientists classify all living things into five groups.
Each group has its own identifiable characteristics. All the groups have some things in common. For example, all living things are made up of cells. This chapter reviews the classification of living things. All living things depend on each other to live.