CBSE Class 9 Answered
Diffrentiate between Bony and Cartilagenous fishes.
Asked by Rounak Singh | 16 Feb, 2011, 02:58: PM
Expert Answer
Dear student,
|
Cartilaginous fishes |
Bony fishes |
|
Marine |
Marine or fresh water |
|
Mouth ventral in position |
Mouth terminal in position |
|
Skin tough and covered with placoid scales |
Skin either naked or covered with cycloid or ctenoid scales |
|
5 or 7 pairs of gills open outside by gill slits, which are uncovered by operculum |
4 pairs of gills covered by operculum |
|
Tail is heterocercal |
Tail is homocercal |
|
Cloaca present |
Cloaca absent |
|
Excrete urea |
Excrete ammonia |
|
|
|
Regards, Team Topperlearning
Answered by | 17 Feb, 2011, 09:20: AM
Application Videos
-
Classification of Plants
This video explains the concept of classification of plants. -
Cryptogams and Phanerogams
This video explains the classification of plants into cryptogams and phaner... -
Classification of Non-Chordates
This video explains the basis of classification of organisms with the help ... -
Classification of Vertebrates
This video explains the basis of classification of organisms with the help ... -
Classification of Vertebrates
This video compares the characteristics of amphibians and fishes.
Concept Videos
-
Classification of Organisms
Explain the rules of nomenclature. Evolving of present classification syst... -
Kingdom Plantae
Explain the classification of plant kingdom. The features of the various d... -
Classification of Animals
Understand the basis of classification of Animal kingdom into various phyl... -
Five Kingdom Classification
Explain five kingdom of biodiversity. Classification of living organism wi... -
Classification of Animals
Learn the features of various Acoelomates i.e. Poriferans, Platyhelminthes...
CBSE 9 - Biology
Asked by sohamshaurya28 | 28 Sep, 2023, 06:51: PM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by taoraicalvincalvin | 02 Jun, 2022, 02:05: PM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by asaikeerthana77 | 31 May, 2022, 11:51: AM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by asaikeerthana77 | 31 May, 2022, 11:50: AM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by jiyapatel9909 | 27 May, 2022, 02:18: PM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by vloggershanvi | 18 Feb, 2022, 11:50: AM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by lakshmithengal | 04 Dec, 2021, 07:34: AM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by drtapankumarb | 25 Nov, 2021, 03:53: PM
ANSWERED BY EXPERTCBSE 9 - Biology
Asked by ni095186 | 24 Aug, 2021, 09:57: AM
ANSWERED BY EXPERT
