The answer is B... they are poisonous because of the plant they eat
Decomposers recycle all the organic molecules of all the dead organisms, by breaking them down and make these nutrients available to the environment, which can now be used as the source of energy for other organisms. Decomposers can be bacteria, fungi or invertebrates.
The carbon cycles recycles caronatoms(carbon dioxide) and the nitrogen cycle recycles nitrogen.and the carbon cycle makes carbon dioxide and the carbon dioxide goes to the trees ,and the trees get the nitrogen and starts the cycle again.
