What is cephalisation?

Which of the following is strongly associated with cephalisation ?

How is cephalisation advantegeous to animals in finding food?

How is cephalisation advantageous to animals in finding food?

What is hibernation? What is the significance?

Define Metamerism and Cephalisation ?

Choose the term that does not belong in the following group and explain why it does not belong? Notochord, cephalisation, dorsal nerve cord and radial symmetry.

The characteristic of Vertebrata are I. high degree of cephalisation is seen in the group. II. Coelom is well-devoloped and of enterocoelous type. III. Cranial nerves either 8,10or 12 pairs. IV. Notochord is seen throughout the life of all animals.

What is gangue and what is concentration?

What is irrigation? What are the types in it?