Question

give the general characteristics of phylum Arthropda​

Answer 1

Answer:

They are triploblastic. They can be found in all types of habitats – land, water and soil. They have jointed limbs. The body is segmented into three regions – Head, Thorax and Abdomen.

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Answer 2

Explanation:

Characteristic features of Phylum Arthropoda

• The body structure shows bilateral symmetry.
• They are triploblastic.
• They can be found in all types of habitats – land, water and soil.
• They have jointed limbs.
• The body is segmented into three regions – Head, Thorax and Abdomen.
• The body cavity is filled with blood and is called the haemocoel. The blood is white in colour.
• The exoskeleton is hardened and is made of chitin.
• They have a well-developed central nervous system.
• The head is well developed and bears the sensory organs and brain.
• They have compound eyes and mosaic vision.
• The digestive tract is complete with the mouth and anus at opposite ends of the body.
• They have an open circulatory system with dorsal heart and arteries.
• Respiration is through the general body surface or by gills in aquatic forms and through trachea or book lungs in terrestrial forms.
• Sexes are separate and sexual dimorphism is exhibited.

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