Difference between bony fish and cartilaginous fish.
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the fish whose skeleton is composed of bone tissues is called bony fish while the skeleton of cartilaginous fish is composed of cartilaginous tissues.
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┏─━─━─━─━∞◆∞━─━─━─━─┓
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛
➧ Subphylum Vertebrate divided into Five Classes:-
▬▬▬▬▬▬▬▬▬▬▬▬▬⤵
❶❭ Class Pisces:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
▬▬▬▬▬▬▬▬▬▬▬▬▬⤵
➀❭ Cartilaginous Fishes:-
━━━━━━━━━━━━━━━━━━☟
◉ Mouth is ventral.
◉ It is totally marine.
◉ Tail is heterocercal.
◉ Endoskeleton is Cartilaginous.
②❭ Bony Fishes:-
━━━━━━━━━━━━━━━━━━☟
◉ Mouth is trrminal.
◉ It is freshwater.
◉ Tail is homocercal.
◉ Endoskeleton is Bony.
❷❭ Class Amphibia:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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
_________
Thanks...✊
✭✮ӇЄƦЄ ƖƧ ƳƠƲƦ ƛƝƧƜЄƦ✮✭
┗─━─━─━─━∞◆∞━─━─━─━─┛
➧ Subphylum Vertebrate divided into Five Classes:-
▬▬▬▬▬▬▬▬▬▬▬▬▬⤵
❶❭ Class Pisces:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
▬▬▬▬▬▬▬▬▬▬▬▬▬⤵
➀❭ Cartilaginous Fishes:-
━━━━━━━━━━━━━━━━━━☟
◉ Mouth is ventral.
◉ It is totally marine.
◉ Tail is heterocercal.
◉ Endoskeleton is Cartilaginous.
②❭ Bony Fishes:-
━━━━━━━━━━━━━━━━━━☟
◉ Mouth is trrminal.
◉ It is freshwater.
◉ Tail is homocercal.
◉ Endoskeleton is Bony.
❷❭ Class Amphibia:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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:-
━━━━━━━━━━━━━━━━━━☟
❱ 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
_________
Thanks...✊
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