Nutrient Cycle
Organic Matter
Decomposers
Chemical Fertilizers
Ecosystem
Pesticides
GMOs
Artificial Ecosystem
Mulch
Chemicals that kill plant pests
A layer of material that is spread on the soil to smother weeds
Living things whose genetic material has been changed by scientists
Plant food that is made by humans in factories
Organic matter is eaten by decomposers which release nutrients for new plants which die and become organic matter
A system of living and non-living things that work together
Material made of dead plants and animals
Plants and animals in the soil that eat organic matter
An ecosystem that is created and controlled by humans
