Q139
General ScienceBiology
Which one of the following animals is known as a living fossil?
- a.Peripatus
- b.Amoeba
- c.Prawn
- d.Apple snail
Answer: (A) Peripatus
Peripatus (velvet worm) is called a 'living fossil' because it retains characteristics of both annelids (segmented worms) and arthropods, representing an evolutionary link between these two major animal groups. Its basic body plan has remained largely unchanged for hundreds of millions of years.