Biology, asked by Vitthalpatil, 1 year ago

how are vertebrata classified into sub group

Answers

Answered by Anonymous
12
\textbf{Answer is in Attachment !}
Attachments:

Vitthalpatil: thanx bro
Swarup1998: Great answer! (:
Anonymous: Thanks sir
Answered by Anonymous
17

here \: is \: the \: answer \: of \: your \: question

1. Pisces :-

* Water living animals.

* Two chambered heart is present.

* Muscular tail for movement is also present.

* Skin covered with scales.

* Cold blooded animals.

* Ex :- Rohu fish, shark, dog fish etc.

2. Amphibians :-

* Lives in both water and land.

* Three chambered heart is present.

* Respiration takes place by gills, lungs, skin etc.

* The body varies in form. It may be long, short, narrow, cylindrical etc.

* Ex :- Frog, toad, salamander etc.

3. Reptilia :-

* They live in both water and land.

* Respiration occurs by gills.

* Heart is incompletely four chambered.

* Skin with scales.

* Body is different in forms like short, long, narrow, depressed etc.

* Ex :- Lizards, snake, crocodile etc.

4. Aves :-

* It includes birds.

* Respiration takes place by lungs.

* They have four chambered heart.

* Pair of limbs are present. Forelimbs are modified into wings which help in flight. And hindlimbs are used for walking, perching etc.

* Ex :- Ostrich, peacock, pigeon etc.

5. Mammals :-

* Body is various in shape and generally divided into head, neck, trunk and tail.

* Skin gland are also present.

* Pair of limbs are present which help in jumping, running, walking etc.

* They respire through lungs.

* Heart is four cheambered.

* Ex :- Kangaroo, human beings, elephant, giraffe, cat etc.


hope \: it \: helps \: you.
Attachments:

Swarup1998: Great answer! (:
Similar questions