Animal Kingdom Question 53

53. Which of the following featrues is not present in the Phylum - Arthropoda?

(a) Chitinous exoskeleton

(b) Metameric segmentation

(c) Parapodia

(d) Jointed appendages

Show Answer

Answer : c

Hints & Solutions

(c) All arthropods possess a stiff exoskeleton (external skeleton) composed primarily of chitin. Arthropod bodies are divided into segments. Parapodia are paired, lateral appendages extending from the body segments. Arthropod appendages may be either biramous (branched) or uniramous (unbranched). They possess jointed appendages.