Which one of the following animals is known as a ‘living fossil’?

Correct answer: Peripatus

Explanation: The animal known as a 'living fossil' is Peripatus, as it shows characteristics of both annelids and arthropods. 📚 Other Information: ▪️ Peripatus belongs to the phylum Onychophora. ▪️ It is called a 'living fossil' because it has remained unchanged for millions of years. ▪️ It exhibits segmented body (like annelids) and jointed legs (like arthropods). ▪️ Found mainly in moist tropical forests of Africa, Australia, and South America. ▪️ It breathes through tracheae, similar to insects. ▪️ Peripatus bridges the evolutionary gap between worms and insects. ▪️ First described in the 19th century and considered an evolutionary link species. ▪️ It reproduces viviparously (giving birth to young ones).