The correct option is (C) Arthropoda
With around nine lakh species, Arthropoda is the largest phylum.
What are characteristics of phylum Arthropoda?
Following are some characteristics of arthropods:
- The body is segmented, triploblastic, and bilaterally symmetric.
- Organ system level organization and open circulatory system can be seen in them.
- Their bodies have jointed appendages that aid in movement.
- Blood is present in the coelomic cavity.
- Chitin is used to make the exoskeleton.
- Arthropods that live on land expel waste through Malpighian tubules, while those that live in water do so by coaxal or green glands.
- They are unisexual, and either internal or external fertilization occurs.
- They breathe through their trachea or general body surface.
- They have sensory organs such statocysts, hairs, antennae, simple and compound eyes, and auditory organs.
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