Select the correct set of animals of class mammalia:
Whales, Bat, Kangaroo and Hippopotamus are the one that belongs to the class mammalia. Some of the specific characteristics of the class are as follows: presence of hair or fur, they have specific mammary glands that produce milk in order to nourish the offspring. They are warm blooded and have diaphragm.
Penguin, ostrich are not mammals.
So, the correct answer is (D): whale, bat, kangaroo, hippopotamus
List - I | List – II | ||
A. | Chondrichthyes | i. | Clarias |
B. | Cyclostomata | ii. | Carcharodon |
C. | Osteichthyes | iii. | Myxine |
D. | Amphibia | iv. | Ichthyophis |
One of the most fundamental forms of classification of animals is the presence or absence of the notochord. Hence, two major groups exist, namely: Chordates and Non-chordates
The subphylum Vertebrata is divided into five classes of vertebrates. These five classes of vertebrates comprise of all the species of animals and have developed vertebral column as well as an internal skeleton.
Other characteristic features of vertebrates are-