a) Arrange the following organs in the antero posteral order of the earthworm body : Intestinal caeca, gizzard, blood glands, testes, ovary, clitellum    (b) Vermicomposting is an  advanced strategy in agriculture. What capabilities of the earthworm are utilized in this strategy?

Dear student,
Answer a) The antero posteral order of  organs of earthworm body are :- Testes, ovary, blood glands, gizzard, intestine, clitellum.
Answer b) Earthworm feed on organic waste material and produce vermicomposting which contains organic matter, inorganic minerals which can be utilised by plants. Therefore earthworm produces nutrient rich soil which is beneficial for plants growth.

Regards