Which animals do great damage particularly to beech and sycamore?

Which animals have great logical power?

Why do animals move ?

Animal cells do not have

(a) What are draught animals ? Give atleast 3 examples. (b) In which ways are draught animals utilized in India, particularly in hilly terrains and sandy deserts ?

In which animals do we find reverse peristalsis ?

Which animal do not possess larval stage in its life cycle

alpha -particles do more damage than beta -rays why?