Class Pices Of Phylum Chordata

These are true, jawed vertebrates with specific organs for respiration, excretion and blood circulation. The organisms belonging to this class are poikilotherms, meaning that they cannot regulate their own body temperature. Essentially, all the fish come in this category.
Characteristics of Pisces
They are found in fresh, marine, and brackish water.
The body is usually streamlined. Some have a spindle-shaped or elongated body as well.
Their body is distributed into a head, trunk and tail.
They swim with the help of their tail.
Paired and unpaired fins represent the appendages. These help the fish to balance while swimming.
The lateral line system functions as a sensory organ to sense the disturbances in the nearby environment.
The body is covered with thick-seated scales, which helps by providing protection to the internal organelles.
The gills help in respiration.
Closed type blood circulation is observed.
The internal skeleton is bony or cartilaginous.
These are cold-blooded organisms.
They may be herbivores or carnivores, oviparous or ovaviviparous.
The sexes are separate.
Fertilization may be external or internal.
They lack extra-embryonic membranes.
The digestive system is well-developed.
The nervous system comprises of the brain and ten pairs of the cranial nerves.
#kingdomanimalia

[@doctorsultan2843]

Zabardast sir..nice diagram

[@salmanahmad1853]

Allah Pak AP Ko mazeed kamyabi day 💞 SIR

[@shavetabharti7474]

Nice, more diag can be included

[@hasnainshakiri]

Nice Sir Thanks ❤❤❤😊

[@TajMuhammad-o9z]

Nice lecturer ❤❤❤❤🎉🎉🎉 around the world 🌍

[@priyankadebekar8701]

Explanation is very good👍.. Thank you sir 🙏

[@dr.khalidkhan1277]

Weldone

[@user-vf4pc7dg4g]

This is Very .... Helpful for me.... Thank you.... Sir.... ❤

[@shezaditasha1450]

Thank you sir i am waiting for this

[@DanielSiddenki]

Nice teaching sir. So much of knowledge is there in your lectures

[@Roushi69]

Ram ram ❤

[@ammarasaleem727]

Jazakallah well teach sir
But sir you miss the other two classes which also lie in Pisces "Placodermi & Acanthodi". Can you teach them as well?

[@cyberprabhu6485]

Bhtt ache s btate h sir aap ❤

[@aqproductor]

SIR Punjab text book has includes three classes in super class pisces?

[@NabilaZulfiqar]

Thanks you sir

[@Doctorhamza469]

Bohat zabardast💯❤❤

[@sabarkhanlectures5528]

Very nice lecture

[@HajiSaeed-ot1sj]

Nic sir

[@habibmukhlis4198]

Sir please Is ki bad inheritance complete karo sir please 🙏

[@SajidKhan-tc5qc]

Salam sir g

[@Doctorhamza469]

Sir great👍👏👏👏

[@JyotiKumari-ks1mq]

Aap Pakistan se ho sir 🫨

[@nawazahmad2215]

Waalaiku wasalam ❤

[@Saifullah-pv5tw]

🔥🔥🔥🔥🔥🔥🔥

[@IsrarAhmad-mt5ix]

Koun koun exam se 1 hour pahle dekh raha hai😅

[@washimwashim4837]

ماشاء الله

[@yashfarhan5909]

Sir aapki balanoglossus per video hai?

[@MahamZubia-by6jd]

😊😊😊😊😊

[@NisarAhmed-nd8gm]

Apa na kaha ka ka operculum chondrichthyes ma nhi hota but sindh text book ma to dono ma ha

[@anjalijadaun2580]

Galat hai sach main nahi hota

[@washimwashim4837]

👌👌👌👌

[@shameerahamsa863]

Sir can you teach in English??

[@NabilaZulfiqar]

Thanks you sir