Question

gIve an account on phylum arthropoda

Answer 1

jointed appendages
chitinous exoskeleton
divided into many classes like arecnida ,crustacia etc

Answer 2

Answer:

• Arthropoda is an ancient and the largest phylum with number of species.
• Insects, spiders, crabs, shrimps, butterflies, millipedes, centipedes and scorpions are arthropods.
• Body is divisible into head, thorax and abdomen.
• The coelomic cavity is filled with hemolymph.
• They have open circulatory system.
• Excretion occurs through malphigian tubules in insects and through green glands in crabs and prawns.