Which of the following statements about earthworms is true?(a) They are vertebrates(b) They do not live in burrows(c) They can be traced by fecal deposits(d) They inhabit the lower layers of the soilThe question was posed to me in quiz.My doubt stems from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11

Which of the following statements about earthworms is true?(a) They ar

1.	Which of the following statements about earthworms is true?(a) They are vertebrates(b) They do not live in burrows(c) They can be traced by fecal deposits(d) They inhabit the lower layers of the soilThe question was posed to me in quiz.My doubt stems from Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11
Answer» Right answer is (c) They can be traced by fecal DEPOSITS For EXPLANATION: EARTHWORMS can be traced by fecal deposits or worm castings. They are invertebrates as they lack a backbone and a bony skeleton. They live in burrows in the upper layers of the SOIL.

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