Search results
A mammal (from Latin mamma 'breast') [1] is a vertebrate animal of the class Mammalia ( / məˈmeɪli.ə / ). Mammals are characterized by the presence of milk-producing mammary glands for feeding their young, a neocortex region of the brain, fur or hair, and three middle ear bones.
- Overview
- Classification
•Class Mammalia (mammals)\tApproximately 5,500 species in 29 orders.
•Subclass Prototheria (monotremes, egg-laying mammals)\tHere 5 species are classified in 2 orders, but monotremes have traditionally been classified together in a single order, Monotremata.
•Order Tachyglossa (echidnas)\t4 species in 1 family.
•Order Platypoda (platypus)\t1 species.
•Subclass Theria (live-bearing mammals)
•Metatheria (marsupials)\tMore than 330 species in 7 orders.
•Class Mammalia (mammals)\tApproximately 5,500 species in 29 orders.
•Subclass Prototheria (monotremes, egg-laying mammals)\tHere 5 species are classified in 2 orders, but monotremes have traditionally been classified together in a single order, Monotremata.
•Order Tachyglossa (echidnas)\t4 species in 1 family.
•Order Platypoda (platypus)\t1 species.
•Subclass Theria (live-bearing mammals)
•Metatheria (marsupials)\tMore than 330 species in 7 orders.
Apr 29, 2024 · 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. In addition to these characteristic milk glands, mammals are distinguished by several other unique features. Hair is a typical mammalian feature, although in many whales it has disappeared ...
- How are mammals distinct from other animals?An animal is considered a mammal if it can produce milk. Other features unique to mammals include hair or fur (chemically different from hairlike s...
- How many species of mammals are there?It is estimated that there are more than 5,500 living mammal species. Mammals are incredibly diverse and can be found in every major habitat.
- What is the biggest mammal?The biggest living mammal—indeed, the largest animal ever—is the blue whale. It can be as heavy as 180 metric tons (200 short tons) and reach a len...
- Did mammals and dinosaurs exist at the same time?According to fossil records, mammals have existed since the Triassic Period, alongside early dinosaurs such as Riojasaurus and Saltopus. True mamma...
- What did mammals evolve from?Mammals evolved from a group of reptiles called therapsids, which lived from 299 million to 200 million years ago. Therapsids were quadrupedal and...
- Why is the platypus a mammal?The platypus has many features not found in other mammals. It is part of a group of mammals known as monotremes, which lay eggs and have specialize...
t. e. Mammalia is a class of animal within the phylum Chordata. Mammal classification has been through several iterations since Carl Linnaeus initially defined the class. No classification system is universally accepted; McKenna & Bell (1997) and Wilson & Reader (2005) provide useful recent compendiums. [1] Many earlier ideas from Linnaeus et ...
Feb 28, 2021 · For the common dog, the classification levels would be as shown in Figure 1. Therefore, the full name of an organism technically has eight terms. For the dog, it is: Eukarya, Animalia, Chordata, Mammalia, Carnivora, Canidae, Canis, and lupus. Notice that each name is capitalized except for species, and the genus and species names are italicized.
People also ask
What is the classification of Mammalia?
How many species are there in a mammal family?
What type of animal is a mammal?
What is Mammalia phylogenetically?
1 day ago · The more features that a group of animals shares, the more specific that animal classification group is. Every species is defined based on nine branching categories. The primary method of animal classification is: Domain. Kingdom. Phylum. Class. Order. Suborder.
The skull is dicondylic. The trunk is divided into thorax and abdomen. The mammals respire through lungs. Good sense of hearing as mammals are aided with 3 middle ear bones. Mammals have a four-chambered heart. The sinus venous and renal portal system are absent. Presence of single-boned lower jaws.
