1) Nonliving parts of an ecosystem that affect living things a) Equilibrium b) Abiotic Factor c) Biodiversity d) Biotic Factor 2) Living or once-living things that affect other living things a) Biotic Factor b) Biodiversity c) Equilibrium d) Abiotic Factor 3) The gradual and orderly process of change in the environment over time a) Trophic Level b) Equilibrium c) Decomposer d) Succession 4) A stable balance in the numbers of each species in an ecosystem a) Succession b) Equilibrium c) Consumer d) Producer 5) The variety of life in an ecosystem a) Biome b) Biodiversity c) Biotic Factor d) Ecosystem 6) The position an organism occupies in a food chain a) Trophic Level b) Biodiversity c) Biome d) Mutualism 7) An organism that lives on another living organism causing it harm a) Scavenger b) Decomposer c) Parasitism d) Consumer 8) A consumer that feeds on dead or decaying material a) Parasitism b) Decomposer c) Scavenger d) Symbiosis 9) An organism that gets its food by breaking down the remains of dead organisms and returns the nutrients back to the soil a) Decomposer b) Population c) Scavenger d) Commensalism 10) An autotrophic organism that makes its own food with light a) Consumer b) Scavenger c) Decomposer d) Producer 11) An organism that eats other organisms for energy a) Producer b) Consumer c) Scavenger d) Decomposer 12) A large region characterized by a specific type of climate and the plants and animals that live there a) Biome b) Community c) Biodiversity d) Ecosystem 13) A symbiotic relationship in which each of the organisms benefits a) Mutualism b) Symbiosis c) Commensalism d) Parasitism 14) A ymbiotic relationship in which one organism benefits and the other organism neither benefits nor is harmed a) Mutualism b) Symbiosis c) Commensalism d) Parasitism 15) A close relationship between organisms of different species in which they live and interact together a) Parasitism b) Commensalism c) Mutualism d) Symbiosis 16) A group of the same species that live together in an area a) Consumer b) Community c) Population d) Ecosystem 17) All the populations of different species that live in an area a) Biome b) Ecosystem c) Community d) Population 18) A community of organisms and their abiotic (non-living) environment a) Ecosystem b) Community c) Biome d) Population 19) Behaviors that allow organisms to survive and reproduce a) Behavioral Adaptation b) Natural Selection c) Structural Adaptation d) Selective Breeding 20) Physical features of an organism that allow them to survive in an area successfully a) Behavioral Adaptation b) Natural Selection c) Structural Adaptation d) Selective Breeding 21) The process whereby organisms better adapted to their environment tend to survive and produce more offspring a) Behavioral Adaptation b) Natural Selection c) Structural Adaptation d) Selective Breeding 22) Choosing parents with particular characteristics to breed together and produce offspring with more desirable characteristics a) Behavioral Adaptation b) Natural Selection c) Structural Adaptation d) Selective Breeding 23) Occur as a result of a change that occurs centuries to millions of years a) Long Term environmental change b) Short Term environmental change c) succession d) equilibrium 24) Occur as a result of a catastrophic event or another sudden environmental change a) Long Term environmental change b) Short Term environmental change c) succession d) equilibrium 25) A consumer that eats only plants a) herbivore b) omnivore c) carnivore d) detritivore 26) A consumer that eats only animals a) herbivore b) omnivore c) carnivore d) detritivore 27) A consumer that eats both plants and animals a) herbivore b) omnivore c) carnivore d) detritivore 28) Things that determine the type and number of organisms in an environment. a) Carrying Capacity b) Limiting Factor c) Succession d) Equilibrium 29) The number of organisms an ecosystem can steadily maintain. a) Carrying Capacity b) Limiting Factor c) Succession d) Equilibrium

Ecosystem Vocabulary

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