List out eight characteristics that help distinguish a fish from the other vertebrates.
Answers
HLO MATE HERE IS UR ANSWER
❤. EXCLUSIVE CHARACTERS OF FISHES ❤
⭐. Fishes are aquatic , poikilothermal (ectothermal ) , scaly vertebrates.
⭐. The scales are mesodermal :In some fishes they are modified into shields or spines.
⭐. Vertebrae are amphicoelous , having a cavity on each side of centrum .
⭐. Fins are present for locomotion.
⭐. The fins are paired (pectrol and pelvic ) and median (dorsal ,caudal and anal)
⭐. Gill are respiratory organs.
⭐. Gill slits are open in cartilaginous fishes and enclosed by operculum in bony fishes.
⭐. The heart is ventral and two chambered ,it is also called Branchial heart and Venous heart .
⭐. Meninx primitiva is the protective covering of brain.
⭐. Lateral line sense organs detect pressure variations in surrounding water.