1) Community of all the living things in an area and the environment in which they live a) ecosystem b) freshwater c) food web d) invasive species e) habitat f) food chain 2) a series of plants and animals, each of which depends on the one below it for food. A food chain usually forms part of a much larger food web.food chaina series of plants and animals, each of which depends on the one below it for food. A food chain usually forms part of a much larger food web. a) freshwater b) ecosystem c) food web d) invasive species e) habitat f) food chain 3) the feeding relationships within an ecosystem. Each living thing in a food web provides food energy to other living things within that ecosystem. a) freshwater b) ecosystem c) food web d) invasive species e) habitat f) food chain 4) made up of water that is fresh, not salty. This term is also used to describe creatures that live in fresh water, such as freshwater fish. a) freshwater b) ecosystem c) food web d) invasive species e) habitat f) food chain 5) the natural environment in which a plant or animal lives a) freshwater b) ecosystem c) food web d) invasive species e) habitat f) food chain 6) nonnative plants and animals that invade an ecosystem a) freshwater b) ecosystem c) food web d) invasive species e) habitat f) food chain 7) pollution damage to the natural environment caused by harmful substances; also refers to harmful substances a) pollution b) food chain c) invasive species d) ecosystem e) habitat f) food web

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