Detritivores, such as earthworms, feed on decomposing organic matter and help in nutrient recycling by breaking down dead and decaying plant and animal material.
| List I | List II |
|---|---|
| A. The Evil Quartet | III. Causes of biodiversity losses |
| B. Ex situ conservation | I. Cryopreservation |
| C. Lantana camara | II. Alien species invasion |
| D. Dodo | IV. Extinction |