Chondrichthyes skin is tough and covered in placoid scales; their teeth are modified backwardly directed placoid scales, and they have powerful jaws.
Chondrichthyes have tough skin with minute placoid scales. Their teeth are modified placoid scales, directed backward, and they possess powerful jaws.
| Text | The skin of chondichthyes is tough, containing minute placoid scales.Teeth are modified placoid scales which are backwardly directed. Their jaws are very powerful. |
|---|
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Chondrichthyes predaceous due absence air bladder swim constantly
Previous card: Mouth located ventrally phylum chondrichthyes notochord persistent life
Up to card list: @r$ NCERT BIOLOGY CLASS 11 ANIMAL KINGDOM