Advertisements
Advertisements
Question
Answer the following question.
Crab and Snail both have a protective covering. Is it made up of the same material?
Advertisements
Solution
No, the protective covering is not made up of same material in crab and snail. The protective covering of crabs is made up of chitin and that of snails is made up of calcium carbonate.
APPEARS IN
RELATED QUESTIONS
The circulatory system has evolved from open to closed type in Animal kingdom. Which Phylum can be called first to represents closed circulation?
Answer the following question.
Fish and frog can respire in water. Can they respire through their skin? If yes, why do they have gills?
Answer the following question.
Birds need to keep their body light to help in flying. Hence, they show presence of some organs only on one side. How their skeleton helps in reducing their weight?
Answer the following question.
Cnidarians and Ctenophorans are both diploblastic. Which other character do they have in common, which is not found in other phyla?
Draw a neat labelled diagram.
Sycon
Draw a neat labelled diagram.
Catla
Draw a neat labelled diagram.
Balanoglossus
Draw a neat labelled diagram.
Scolidon
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.
