Mammals has these 3 groups .
the three main groups are that you gey(:
Mammals & reptiles. EASY
no they do not. Mammals are divided into three groups; monotremes, marsupials, and placental mammals.
The three main groups in science are chemistry,biology and physics.
The three main groups all living things can be classified into are Archaea, Bacteria, and Eukarya. These groups are based on differences in cellular structure and biochemistry.
the mammals that is the only thing i know
1. Mammals 2. Reptiles 3. Amphibians 4. In-vertebrates 5. Insects
No. Marsupials are just one of three groups of mammals. The other two are monotremes and placental mammals. The vast majority of modern mammals are placental.
nincompoop
To narrow it down to three groups, it would be strings, winds, and percussion.
It has three main groups.