All Mammals Have Hair Mammary Glands And A Placenta

All mammals have hair and mammary glands. Extant mammals are divided into three subclasses based on reproductive techniques monotremes marsupials and placentals consisting of 27 orders.

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Ability to merge visual images from both eyes which provides depth perception and a.

All mammals have hair mammary glands and a placenta. Mammals from latin mamma breast are a group of vertebrate animals constituting the class mammalia m ə ˈ m eɪ l i ə and characterized by the presence of mammary glands which in females produce milk for feeding nursing their young a neocortex a region of the brain fur or hair and three middle ear bones these characteristics distinguish them from reptiles and birds from. There are currently more than 5 300 known mammal species with humans being one of them. Question correct 2 00 points out of 2 00 mammals are different from birds in all these characteristics except 6 select one.

Mammals amphibians birds and some reptiles all have four limbs. This is an evolutionary adaption to protect our skin from the elements. The main difference between mammals and other vertebrates are three characteristics.

Lobe finned fish amphibians reptiles and mammals all have lungs. The follicle also gives rise to sebaceous glands that produce sebum a substance that lubricates thehair. Moreover mammals are often larger than other animals where the blue whale a marine mammal.

Maintaining a constant body temperature. Are mammals ectotherms or endotherms. Mammals are vertebrate animals belonging to the mammalia class which stand out for the presence of hair and the production of milk.

Hair milk production in mammary glands and three bones in the inner ear. All living mammals have a jaw joint. These hoofed mammals have an even number of toes on each foot.

All mammals excluding some like dolphins have some sort of hair or fur covering their bodies. Most mammals have three distinct kinds of hairs. Having young born alive.

The individual hair is a rod of keratinized cells that may be cylindrical or more or less flattened. Both birds and mammals maintain a constant body temperature through metabolic processes. Some but not all mammals have a placenta that supplies the fetus with nutrients and removes wastes b jawless fish and all of the other classes have vertebra the first derived trait.

Like perissodactlys this order contains mostly large grazing animals. Both answers a and e are correct. Keratin is a protein also found in claws and nails.

Hair is for protection warmth and camofluage. The presence of body hair and mammary glands which produce milk. And fishes by the presence of fur or hair in the body.

For some animals the fur that grows from their bodies provides camouflage from predators depending on the environment in which they live. Mammals are animals that have two striking characteristics.

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