What are the major orders of placental mammals, Biology

Assignment Help:

Q. What are the major orders of placental mammals? What are a few representative species and distinguishing features of each of those orders?

The orders into which placental mammals are divided are the following:

Artiodactyls mammals with an even number of fingers in claws or paws like cows, sheep, and giraffes. Carnivorous predators with canine teeth like dogs, lions, tigers. Cetaceans aquatic animals without posterior limbs and similar to fishes, like dolphins and whales. Edentates creatures with absent or rare teeth like armadillos, sloths, anteaters. Lagomorphs, small-sized mammals having three pairs of continuously growing incisive teeth specialized in gnawing, like hares and rabbits. Perissodactyls also known as ungulates (hooved) big-sized animals with an odd number of fingers in each pawfor example horses and rhinos. Primates characterized by the big cranium and well-developed brain like humans and apes. Proboscideans are big-sized animals whose nose and superior lip form the trunk (snout) for example elephants. Chiropterans are flying nocturnal mammals (bats). Rodents are animals with two pairs of continuously growing incisive teeth, e.g., mice, rats, castors, squirrels. Sirenians are aquatic mammals of freshwater dprived of posterior limbs, like manatees and dugongs.


Related Discussions:- What are the major orders of placental mammals

Pathogenesis of acute rheumatic fever, You have learnt about the epidemiolo...

You have learnt about the epidemiology, etiology and pathogenesis of acute rheumatic fever. Revised Jones criteria, which have major and minor criteria, are helping to diagnosis of

Homeostasis solution, In biology, Homeostasis is the ability of an open pro...

In biology, Homeostasis is the ability of an open program to manage its internal environment to sustain constant circumstances through several energetic stability improvements mana

Explain restaurant deep fat frying evaluation, Restaurant deep fat frying e...

Restaurant deep fat frying evaluation A number of factors are studied when evaluating frying oils. During deep fat frying, the fat is exposed continuously to elevated temperat

What possible combinations of chromosomes will be present, A diploid cell c...

A diploid cell contains three pairs of homologous chromosomes designated C1 and C2, M1 and M2, and S1 and S2; no crossing over occurs. What possible combinations of chromosomes

Endodontics principles and practice, Endodontics principles and practice ...

Endodontics principles and practice According to American association of endodontic, retreatment defined as:A procedure to remove root canal filling materials from the tooth vi

Adapting to health changes in the older adult, You are soon to be registere...

You are soon to be registered as a nurse and have applied to work in a unit where you will be caring for a diverse range of clients with medical and surgical complexities. You know

Nutrition, mode of nutrition in tapeworm

mode of nutrition in tapeworm

Techniques of blood pressure recording, Precautions It is a common obs...

Precautions It is a common observation that BP recordings are variable when taken by different individuals. To decrease this variability it is important that certain precautio

Explain class adverse effects of nnrti, Class adverse effects of NNRTI ...

Class adverse effects of NNRTI All NNRTIs can cause a rash that is sometimes severe. NNRTIs are metabolized by and can affect hepatic CYP 450 isozymes; drug interactions can o

Explain the expanding frontiers of nutrition, Explain the Expanding Frontie...

Explain the Expanding Frontiers of Nutrition? While the essential nutrients mentioned in Table are indispensable and our diets need to provide them all in adequate quantities,

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd