Question

define vertebrates in details. ​

Answer 1

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Vertebrates :-

1. The phylum chordata includes all animals which has back bone and are called as vertebrates.
2. They have an internal skeleton and a back bone.
3. Spinal cord of vertebrates are dorsal.
4. Their heart is on the ventral side of the body.
5. Their hemoglobin is red in colour.
6. Example - Humans, Birds, monkey, lion, bear, fishes.

Vertebrates are further divided into 5 types :-

1. Pisces
2. Amphibia
3. Reptilia
4. Aves
5. Mammalia

Pisces:-

• Their body is streamlined.
• They lay eggs and are cold blooded.
• They have scales on their body.
• Eg:- Angler fish, cat fish

Amphibia:-

• They have 5 chambered heart.
• Respiration is through lungs and gills.
• They have 5 fingered limbs.
• Eg:- frog, toads, salamander

Reptilia:-

• They are cold blooded animals.
• Lay eggs with tough covering.
• They have 3 chambered heart.
• Eg:- snakes, tortoise

Aves:-

• Aves have 4 chambered heart.
• They breath through lungs.
• They have feathers on their body.
• Eg:- All birds

Mammalia:-

• Mammals are highly developed animals on land.
• They give birth to their young ones and are warm blooded.
• They have 4 chambered heart.
• Eg:- Humans, elephants, dogs, monkey

Answer 2

Vertebrates :-

1. The phylum chordata includes all animals which has back bone and are called as vertebrates.
2. They have an internal skeleton and a back bone.
3. Spinal cord of vertebrates are dorsal.
4. Their heart is on the ventral side of the body.
5. Their hemoglobin is red in colour.
6. Example - Humans, Birds, monkey, lion, bear, fishes.

Vertebrates are further divided into 5 types :-

1. Pisces
2. Amphibia
3. Reptilia
4. Aves
5. Mammalia

Pisces:-

• Their body is streamlined.
• They lay eggs and are cold blooded.
• They have scales on their body.
• Eg:- Angler fish, cat fish

Amphibia:-

• They have 5 chambered heart.
• Respiration is through lungs and gills.
• They have 5 fingered limbs.
• Eg:- frog, toads, salamander

Reptilia:-

• They are cold blooded animals.
• Lay eggs with tough covering.
• They have 3 chambered heart.
• Eg:- snakes, tortoise

Aves:-

• Aves have 4 chambered heart.
• They breath through lungs.
• They have feathers on their body.
• Eg:- All birds

Mammalia:-

• Mammals are highly developed animals on land.
• They give birth to their young ones and are warm blooded.
• They have 4 chambered heart.
• Eg:- Humans, elephants, dogs, monkey