Matching Pairs Ecosystems VocabularyOnline version Match the keyword with it's description. by Primary Six 1 PHYSICAL ENVIRONMENT 2 ECOSYSTEM 3 TROPICAL RAINFOREST 4 LIVING ORGANISMS 5 DESERT 6 TEMPERATE FOREST 7 TUNDRA 8 GRASSLANDS 9 HABITAT 10 MARINE ECOSYSTEM 11 COMMUNITY 12 POPULATION a living thing that can be split into the five kingdoms different populations interacting with each other a community of organisms interacting with its environment an arid region with little or no vegetation forests with tall trees, warm climates, and lots of rain the part of the environment that includes purely physical factors (such as soil, climate, water supply) land covered with grasses and other soft plants but not with bushes and trees a place where an organism lives number of organisms of the same species within an ecosystem a large, barren region with no trees which is often very cold area with many trees where the temperatures and seasons vary throughout the year but never to extremes complex of living organisms in the ocean environment