Question

Difference between primitive and so called advanced organisms .

Answer 1

Answer:

rate or thank or nark as brainliest

Explanation:

Dear student, Primitive organisms have a simpler body design whereas advanced organisms are more complex in body design. Primitive organisms evolved much early whereas advanced organisms have evolved relatively recently.

Answer 2

Answer:

Primitive organisms have a simpler body design whereas advanced organisms are more complex in body design. ... The complexity in design of simpler forms has increased over evolutionary time due to which they ultimately become modern complex form.