Matching Pairs Artificial Ecosystem MatchingOnline version Students will match the vocabulary words with their definitions. by MaryAnn Hamel 1 Ecosystem 2 Organic Matter 3 Artificial Ecosystem 4 Nutrient Cycle 5 Mulch 6 Chemical Fertilizers 7 Pesticides 8 Decomposers 9 GMOs A system of living and non-living things that work together A layer of material that is spread on the soil to smother weeds Organic matter is eaten by decomposers which release nutrients for new plants which die and become organic matter Plant food that is made by humans in factories Material made of dead plants and animals Chemicals that kill plant pests An ecosystem that is created and controlled by humans Living things whose genetic material has been changed by scientists Plants and animals in the soil that eat organic matter