| What is use of statocyst in these animals | Statocyst is present at aboral end it helps in balancing. |
| What is use of statocyst in these animals | Statocyst is present at aboral end it helps in balancing. |
| What is use of statocyst in these animals | Statocyst is present at aboral end it helps in balancing. |
| What is use of statocyst in these animals | Statocyst is present at aboral end it helps in balancing. |
| What is habitat of animals from Phylum Ctenophora? | They are exclusively marine |
| What is meaning of ctenophora? | Greek words
Ktenes - comb
Phors - bearing
So ctenophora means comb bearers |
| Give some general characteristics of animals. | They are diploblastic and they have radial symmetry also they have tissue level of organisation. |
| How many comp plates do they have? | The external surface of their body bears ate ciliated comp plates and these comb plates helps in locomotion. |
| How do they capture their food | Tentacles have colloblast cells( Lesso cells )these secret a sticky substance making tentacles sticky- sticky tentacles helps in capturing food. |
| Which kind of fertilization takes place in them | External fertilization |
| Which kind of development is there | Indirect development
They have cydippid larva |
| Give some examples of Ctenophores. | Pleurobrachia (sea gooseberry)
Ctenoplana
Hormiphora (sea walnut)
Costume (Venus girdle)
Beroe (swimming eye of a cat) |
| What is use of statocyst in these animals | Statocyst is present at aboral end it helps in balancing. |
