Question

Text Question 1:

Organisms that have not changed much in the process of evolution are called ............... or .............. organisms.

Answer 1

Organisms on the basis of evolution are classified into two parts:

1. Primitive Organisms: The ones that have simple body structure and old body design that has not changed over the years.
2. Advanced Organisms: The ones that have complex body structures and have also evolved with time.
3. For example, An Amoeba is more primitive than starfish. Amoeba has a simple body structure and primitive features as compared to starfish.
4. Final Answer: Organisms that have not changed much in the process of evolution are called ......Primitive.......... or ....…Lower....... organisms.