Noteworthy Points of the Chapter:
1. Morphology refers to the study of externally visible features of an organism.
2. The term anatomy is used for the study of morphology of internal organs in the animals.
3. The common Indian earthworms are Pheretima and Lumbricus.
4. The faecal deposits of earthworm are called worm castings and the process of increasing the fertility of soil by earthworm is called vermicomposting.
Click on the download below for chapter summary