Question

5. Arthropoda and Annelida differentiate between ​

Answer 1

Annelida:

• Consists of hydeostatic skeleton
• Body is composed of rings or segments
• Respiration occurs through skin or parapodia
• They show the presence of closed circulatory system
• Excretion occurs through nephridia
• Example: Earthworm , Aphrodite

Arthropoda:

• consists of an exoskeleton made up of chitin
• body is segmented into three regions-head,thorax and abdomen
• body is segmented into 3 regions-head,thorax and abdome
• They show the presence of closed circulatory system
• Excretion occurs through coxal gland on malpighian tubules
• Example: Prawn , cockroach

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