Which characteristics is likely to be more basic?
The charactristics which came into existance earlier is likely to be more basic.
Which carbocation is more likely to be formed in dehydration of
How many chambers are present in the heart of :
(i) Fishes; (ii) Frog ?
Mention one unique feature of mammals.
Name the class in which
(a)Syrinx is present; (b) Pneumatic bones are present.
Give two examples of Cyclostomata.
Name the first class of terrestrial chordates.
Give one example of Oncychophora ?