Question

make a Scrapbook on classification of phylum chordate class 9 th​

Answer 1

Answer:

Phylum chordata is divided further in three subphylums.

1. Subphylum Urochordata

Examples :Ascidia, Salpa, etc.

2. Subphylum Cephalochordata

Examples: Branchiostoma

3. Subphylum Vertebrata

Subphylum vertebrata is further divided into classes.

1. Class Cyclostomata

Examples: Myxine, Petromyzon, etc.

2. Class Chondrichthyes (Cartilagenous fishes)

Examples: Scolidon, Trygon, etc.

3. Class Osteichthyes (Bony fishes)

Examples: Labeo, Betta, Hippocampus, etc.

4. Class Amphibia

Examples: Hyla, Rana, Bufo, etc.

5. Class Reptilia

Examples: Naja, Crocodilus, etc.

6. Class Aves

Examples: Pavo, Struthio, etc.

7. Class Mammalia

Examples: Homo Sapiens, Balaenoptera, Canis, etc.