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