Question

which organisms are called primitive and how are tgey different from the so called advanced orgabisms​

Answer 1

Answer:

Primitive organisms are those which have ancient body designs and have not changed much. They have simpler body design and are also called lower organisms. On the other land, the organisms that have acquired more complex structure and body design relatively recently are called advanced organisms.

Answer 2

Answer:

The group of organisms which ancient body designs and have not changed much are called 'primitive' organisms. They are different from the advance organisms as the 'advance' organisms are group of organisms which have acquired their particular body designs recently.

Explanation: