Question

level of organsiation of mollusca​

Answer 1

Taxonomic level: phylum Mollusca; grade of construction: organs derived from three tissue layers; symmetry: bilateral; type of gut: complete, with anus; type of body cavity other than gut: coelom; segmentation: absent; circulatory system: usually open to large coelomic cavity; nervous system: brain, with nerve cords

Answer 2

Answer:

• Taxonomic level: phylum Mollusca;
• grade of construction:
• organs derived from three tissue layers;
• symmetry:
• bilateral;
• type of gut:
• complete, with anus;
• type of body cavity other than gut:
• coelom;
• segmentation:
• absent;
• circulatory system:
• usually open to large coelomic cavity;
• nervous system:
• brain, with nerve cords .