What decomposes in soil?
swamp vegetation roundworms Echinoids tunicates Earthworms some invertebrates most cephalopods Plant and animals
A B C D E F G H
Organic matter is the plant and animal residue in the soil at various stages of decomposition.
Decomposition increases the amount of dead plant and animals in the soil
What decomposes in soil? (A) swamp vegetation (B) roundworms (C) Echinoids (D) tunicates (E) Earthworms (F) some invertebrates (G) most cephalopods (H) Plant and animals