Question

Choose the organism(s) that are considered as living fossils from the following:
I. Nereis
II. Bombyx mori
III. Limulus
IV. Anopheles

• A. I and II
• B. Only II
• C. Only III
• D. III and IV

Answer 1

The correct option is C Only III

Living fossils are organisms that have not undergone any change from the time of their origin and closely resemble organisms that are known otherwise from the fossil records. The relatives of these organisms are extinct. Limulus (King crab) is an animal living fossil. Limulus is an arthropod.

King Crab

Nereis, Bombyx mori and Anopheles are aquatic annelid, silk worm and a mosquito species, respectively. Their relatives are not extinct.