Select the INCORRECT statement about Phylum Arthropoda.
1
Class Insecta is the largest class of Phylum Arthropoda.
2
Lignin is the main component of the exoskeletons of arthropods.
3
Over 85% of all the known animal species are arthropods.
4
Phylum Arthropoda comprises a wide diversity of animals with hard exoskeletons and jointed appendages.