1) Ecosystem a) the struggle between organisms for resources b) an existing community is replaced by another community c) All the living and non living things in an environment 2) Biosphere a) all the living and nonliving things in an environment b) breaks down dead organisms  c) a role played by an organisim d) Earth 3) Ecology a) Study of ecosystems b) the flow of energy from one feeding level to the next in an ecosystem. c) the first organisms to become established in a new habitat d) eating other animals 4) Food chain a) animal that hunts and kills b) one living organism eats another organism c) group of the same species d) a variety of species 5) food web a) all the food chains in a single ecosystem b) animal that is hunted and killed c) a variety of species d) All the living and non living things in an environment 6) Energy pyramid a) All living things b) group of the same species c) stealing and eating dead organisms someone else killed d) the flow of energy from one feeding level to the next in an ecosystem. 7) abiotic a) All living things b) a role played by an organisim c) nonliving d) animal that is hunted and killed 8) biotic a) the first organisms to become established in a new habitat b) 1 organism c) living d) Study of ecosystems 9) community a) living and nonliving things that surrounds an organism b) stealing and eating dead organisms someone else killed c) All living things d) living 10) population a) group of the same species b) an existing community is replaced by another community c) a role played by an organisim d) organism tht survives by living and feeding on other organisms 11) individual a) 1 organism b) animal that is hunted and killed c) a variety of species d) obtains energy from producers 12) autotroph/producer a) diagram showing food energy movement in ecosystem b) plants make their food from sun c) All living things d) nonliving 13) heterotroph/consumer a) obtains energy from producers b) a variety of species c) an existing community is replaced by another community d) animals that look for food 14) decomposers a) all the living and nonliving things in an environment b) obtains energy from producers c) the flow of energy from one feeding level to the next in an ecosystem. d) breaks down dead organisms  15) scavengers a) the largest population of a species b) one living organism eats another organism c) stealing and eating dead organisms someone else killed d) Study of ecosystems 16) carry capacity a) the largest population of a species b) group of the same species c) animals that look for food d) All living things 17) biodiversity a) a variety of species b) organism tht survives by living and feeding on other organisms c) living and nonliving things that surrounds an organism d) plants make their food from sun 18) equilibrium a) organism tht survives by living and feeding on other organisms b) balance and stability c) the largest population of a species d) the flow of energy from one feeding level to the next in an ecosystem. 19) ecological niche a) living and nonliving things that surrounds an organism b) balance and stability c) nonliving d) a role played by an organisim 20) pioneer organisms a) animal that is hunted and killed b) breaks down dead organisms  c) the first organisms to become established in a new habitat d) diagram showing food energy movement in ecosystem 21) ecological succession a) balance and stability b) the flow of energy from one feeding level to the next in an ecosystem. c) All living things d) an existing community is replaced by another community 22) parasite a) organism tht survives by living and feeding on other organisms b) group of the same species c) the flow of energy from one feeding level to the next in an ecosystem. d) plants make their food from sun 23) predator a) organism tht survives by living and feeding on other organisms b) living and nonliving things that surrounds an organism c) animals that hunt and kill d) all the living and nonliving things in an environment 24) prey a) animal that hunts and kills b) animal that are hunted and killed c) group of the same species d) the flow of energy from one feeding level to the next in an ecosystem. 25) carnivore a) Earth b) organism tht survives by living and feeding on other organisms c) animals that eat other animals d) breaks down dead organisms  26) competition a) a role played by an organisim b) the struggle between organisms for resources c) eating other animals d) animal that hunts and kills 27) consumer a) 1 organism b) Earth c) obtains energy from producers d) the largest population of a species 28) environment a) diagram showing food energy movement in ecosystem b) living and nonliving things that surrounds an organism c) eating other animals d) All living things

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