Science, asked by as5sandhrhiranjuswe, 1 year ago

plz tell me 6 features of both reptiles and amphibians

Answers

Answered by Harman31
1
Reptiles
1. They are cold-blooded animals.
2. They have tough skin.
3. They have scales over their body.
4. Their eggs have soft shell and they lay them on land.
5. They have lungs.
6. Usually,They don't take care of their offsprings.

Amphibians
1. They are cold-blooded.
2. They have soft skin.
3. They live on land but lay eggs in water.
4. They are partially aquatic and partially terrestrial.
5. They breathe with gills or moist skin in water and with lungs on land.
6. They do not take care of their offsprings.

Answered by Anonymous
0
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➧ Subphylum Vertebrate divided into Five Classes:-
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❶❭ Class Pisces:-
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❱ These are cold blooded.

❱ These are exclusively aquatic invertebrates.

❱ Body is streamlined.

❱ They have one pair of pectoral & pelvic fins.

❱ Respiration by 5 pairs of gills.

❱ Heart is two chambered.

❱ Skin is slimmy & covered with scales.

►Examples:- Electric Rays & DogFish
                                             
➧ Types 0f Class Pisces are:-
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➀❭ Cartilaginous Fishes:-
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◉ Mouth is ventral.
◉ It is totally marine.
◉ Tail is heterocercal.
◉ Endoskeleton is Cartilaginous.

②❭ Bony Fishes:-
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◉ Mouth is trrminal.
◉ It is freshwater.
◉ Tail is homocercal.
◉ Endoskeleton is Bony.

❷❭ Class Amphibia:-
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❱ They are cold blooded animals.

❱ Body divided into head, trunk & Tail.

❱ Heart is three - Chambers.

❱ Fertilization is external & lay eggs.

❱ Respiration through gills, lungs & skin.

❱ They undergo hibernation & aestivation.

❱ Embryonic membrane is absent.

❱ Skin is a smooth & moist.

►Examples:- Seahorse & Catla

❸❭ Class Reptilia:-
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❱ They are cold blooded animals.

❱ Body divided into head, neck, trunk and tail.

❱ Heart is incompletely four chambered.

❱ Fertilization is internal.

❱ Respiration through gills.

❱ It is the first Terrestrial vertebrates.

❱ Embryonic  membrane is present.

❱ Skin is rough & dry.

►Examples:- Frogs & Toads
                                             
❹❭ Class Aves:-
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❱ These are warm blooded.

❱ Feathers are present on the body.

❱ Respiration by lungs with air sacs.

❱ Mammary gland is absent.

❱ They are 0viparous. Beek present.

❱ Bones are flight.

❱ Sweat & oil gland is absent.

❱ External ear is absent.

►Examples:- Crows & Parrots
                                             
❺❭ Class Mammalia:-
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❱ They are also warm blooded.

❱ Body covered with hair.

❱ Respiration by lungs without air sacs.

❱ Mammary gland is present.

❱ Teeth are present.

❱ Sweet and all gland is present.

❱ Solid bones are present.

❱ Heart is four chamber.

❱ External ears are present.

►Examples:- Humans & Rabbits

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