Question

what are vertebrates ​

Answer 1

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≣ Vertebrates

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≣ Chordates in which the notochord gets replaced by a vertebral column in the embryonic stage, are called Vertebrates.

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≣ Vertebrates are the most advanced group of animals. They have a body visible into head trunk and tail.

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≣ A well develop digestive system consisting of mouth, buccal cavity, pharynx, oesophagus, stomach and intestines, along with many associated glands, is present.

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≣ All Vertebrates are unisexual and exhibit only sexual reproduction.

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≣ Hope it helps you

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Answer 2

Vertebrates -

• 1. Brain box are present in the vertebrates called Craniata.

• 2. Endoskeleton is present in vertebrates which is formed of cartilage or bones.

• 3. Nerve cord is found dorsal and hollow.

• 4. Heart is ventral in vertebrates.

• 5. Haemoglobin is present inside the RBCs.

• 6. There are many layers of epidermis in vertebrates.

• 7. Vertebral column is present which is formed of vertebrae.

Vertebrate are classified in 6 sub phylum. They are -

1. Chondrichthyes - dogfish, string ray, electric ray, skate etc.

2. Osteichthyes - Rohu, sea horse, lung

fish, etc.

3. Amphibia - Frogs toads, salamanders, etc.

4. Reptillia - Lizards snakes tortoise, crocodiles, etc.

5. Aves - Peacock, pigeon Koel Ostrich, etc.

6. Mammalia - Kangaroo, hals, rabbits monkeys human beings etc.