Question

Organisms belonging to the phylum Mollusca have a rasping organ called radula for feeding. What does rasping mean?

Answer 1

Rasping

1. Rasping, in particular, connotes grating, scraping, and other related phrases.
2. Similarly, the Mollusca rasping organ is a flexible tongue-like organ with rows of teeth on the surface that is used for scraping or cutting the acquired food.

Mollusca

1. Soft-bodied, triploblastic, bilaterally symmetrical, and coelomate animals belong to the phylum Mollusca.
2. They are slow-moving invertebrates with a thin meaty cloak covering their internal organs.

Mollusca Characteristics

1. A rasping organ called a radula is found in their mouth.
2. The skull, foot (a big organ utilized for mobility), and visceral mass are the three parts of their body (all the organs are contained in this).
3. Antennae with eyes protrude from their heads.
4. The visceral mass is protected by a soft covering known as the mantle.
5. The mantle chamber is covered by a calcareous shell in most molluscs.
6. They are dioecious and develop in a roundabout way.