What are the 3 major animal groups?
Wild animals require four basic habitat components: food, water, cover, and space. Animals can be divided into five distinct groups: mammals, fish, birds, reptiles, and amphibians.
What group are mammals?
mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother.
What are two mammals?
Mammals can be divided into three more groups based on how their babies develop. These three groups are monotremes, marsupials, and the largest group, placental mammals. Monotremes are mammals that lay eggs. The only monotremes that are alive today are the spiny anteater, or echidna, and the platypus.
What are birds 3 examples?
The List: The 3 Types Of Birds in the World
- Tweety Birds. These are little birds that tweet. Examples include sparrows, finches, robins.
- Ducky Birds. These are birds that float in water. Examples include ducks, swans, sea gulls, and albatrosses.
- Hawk-like Birds. The birds of this category are, well, hawk-like in nature.
What are the four types of mammals?
Mammals
- Monotremes Mammals.
- Marsupial Mammals.
- Placental Mammals.
What are the three main classes of mammals?
There are 3 main groups of animal: monotreme (egg-laying), marsupial (pouched) and placental (young develop in the womb) As we found in the previous parts of this series there are three main types of mammal: monotremes , marsupials, and placental mammals.
What were the three major groups of animals?
Classification systems based on molecular studies reveal three major groups or lineages of placental mammals-Afrotheria, Xenarthra and Boreoeutheria-which diverged in the Cretaceous. The relationships between these three lineages is contentious, and all three possible hypotheses have been proposed with respect to which group is basal .
What are the animals that belong to mammals group?
The most diverse mammal group, consisting of over 2000 species, order Rodentia includes s quirrels, dormice, mice, rats, gerbils, beavers, gophers, kangaroo rats, porcupines, pocket mice, springhares, and many others.
What are the three largest groups of reptiles?
Most reptiles can be classified into three large groups: the turtles (order Chelonia), the snakes and lizards (order Squamata ), and the alligators and crocodiles (order Crocodilia). Most reptiles share a number of general morphological features.