Advertisements
Advertisements
प्रश्न
Identify the animal given in the picture and write features of its phylum/class.

Advertisements
उत्तर
The organism in the given picture is Amphioxus and it belongs to Phylum Chordata (Subphylum Cephalochordata).
Features of Phylum Chordata (Subphylum Cephalochordata):
- Notochord present at least in early embryonic life.
- Nerve cord is single, dorsal and non-ganglionated.
- The heart is ventral in position.
- Pharyngeal gill slits are present at least in the embryonic stage.
- The post-anal tail is present at least in the embryonic stage.
APPEARS IN
संबंधित प्रश्न
Choose the correct option.
In Ascaris, ___________.
Answer the following question.
Reptiles are known for having three-chambered heart. Which animal shows a near four-chambered condition in reptiles?
Answer the following question.
Pinna is part of the external ear and it is found in mammals. Do aves and reptiles show external ear in any form?
Answer the following question.
Sponge and sea star show calcareous protective material. Do they belong to the same Phylum?
Draw a neat labelled diagram.
Sycon
Draw a neat labelled diagram.
Scolidon
Match the following.
| Phylum | Characters |
| i. Annelida | a. Tube feet |
| ii. Mollusca | b. Ostia |
| iii. Ctenophora | c. Radula |
| iv. Porifera | d. Parapodia |
| v. Echinodermata | e. Comb plates |
Identify the animal given in the picture and write features of its phylum/class.

Identify the animal given in the picture and write features of its phylum/class.

Identify the animal given in the picture and write features of its phylum/class.

