1) community of all the living things in an area and the environment in which they live a) ecosystem b) ocean c) great lakes 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. a) food chain b) lake michigan c) lake superior 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) Ocean b) food web c) food chain 4) fresh water 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) salt water b) body's of water c) freshwater 5) glaciera large mass of ice found near Earth’s poles (continental glacier) or in a high, cold mountain valley (alpine glacier) a) glacier b) ice burg c) mountain 6) the natural environment in which a plant or animal lives a) habitat b) natural gas c) sea 7) nonnative plants and animals that invade an ecosystem a) invasive species b) dangerous animal c) bear

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