Which group of organisms is believed to be evolved first on earth?

Options :
  1. Arthropods
  2. Coelenterates
  3. Reptiles
  4. Protozoans

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Genetic basis of adaptation was performed by----------

Next Question : Modern synthetic theory is based on------

Click here for free online test on Evolution and Zoogeography


 (Getemail alerts when others member replies)

All any of us wanted, really, was to know that we counted. That someone else's life would not have been as rich without us here.
-Jodi Picoult Handle With Care