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