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Seventh Grade (Grade 7) Communities, Populations, and Ecosystems Questions

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Grade 7 Communities, Populations, and Ecosystems
What is a community?
  1. habitat with abiotic factors added
  2. very small habitat
  3. all the abiotic factors in a specific area
  4. all the different populations that live together in an area
Grade 7 Communities, Populations, and Ecosystems
The place where an animal lives and gets what it needs to survive is
  1. community.
  2. habitat.
  3. environment.
  4. niche.
Grade 7 Communities, Populations, and Ecosystems
A niche does not include what?
  1. when and how an organism reproduces.
  2. what type of food an organism eats.
  3. how an organism obtains its food.
  4. physical conditions it requires to survive.
  5. what the organism smells like.
Grade 7 Communities, Populations, and Ecosystems
What is a system that is formed by the interaction of a community of organisms and its environment?
  1. evaporation
  2. ecosystem
  3. solar system
  4. water cycle
Grade 7 Communities, Populations, and Ecosystems
The largest number of individuals of a species that an environment can support and maintain for a long period of time is its                    .
  1. population
  2. maximum load
  3. carrying capacity
  4. biological capacity
Grade 7 Communities, Populations, and Ecosystems
What is the study of how living things interact with each other?
  1. zoology
  2. habitatism
  3. ecology
  4. eco-studies
Grade 7 Communities, Populations, and Ecosystems
The study of large-scale interactions in natural communities is
  1. genetics.
  2. ecology.
  3. biology.
Grade 7 Communities, Populations, and Ecosystems
What is a limiting factor?
  1. any part of the living environment that influences whether or not an organism survives
  2. any part of the living and nonliving environment that influences whether or not an organism survives
  3. any part of the nonliving environment that influences whether or not an organism survives
  4. a mountain, ocean, river, or other landform that blocks an organism from moving to another ecosystem
Grade 7 Communities, Populations, and Ecosystems
The struggle against other organisms for needed resources is                .
  1. commensalism
  2. competition
  3. mutualism
  4. predation
Grade 7 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. a biological community of interacting organisms and their physical environment
  2. all abiotic factors within a specified area
  3. all biotic factors within a specified area
  4. an area of land where no human has been
Grade 7 Communities, Populations, and Ecosystems
An environment and all its organisms is a(n)                .
  1. ecosystem
  2. habitat
  3. ecoregion
  4. community
Grade 7 Communities, Populations, and Ecosystems
What are two types of interactions between living things?
  1. predator vs. prey and conservation
  2. competition and predator
  3. fighting and getting along
  4. competition and predator vs. prey
Grade 7 Communities, Populations, and Ecosystems
All the organisms of one species in an ecosystem is a(n)
  1. individual.
  2. population.
  3. community.
  4. environment.
Grade 7 Communities, Populations, and Ecosystems
The specific space that an organism lives and thrives within an ecosystem is known as its
  1. community.
  2. biome.
  3. biosphere.
  4. niche.
Grade 7 Communities, Populations, and Ecosystems
The place that an organism lives is its
  1. habitat.
  2. science.
  3. niche.
  4. house.
Grade 7 Communities, Populations, and Ecosystems
The place where an organism lives is its
  1. home.
  2. habitat.
  3. community.
  4. ecosystem.
Grade 7 Communities, Populations, and Ecosystems
A subset of a biome with similar climates and organisms is a(n)
  1. ecosystem.
  2. biosphere.
  3. eco-region.
  4. population.
Grade 7 Communities, Populations, and Ecosystems
All                 have a limited amount of food, water, living space, mates, nesting sites, and other resources.
  1. communities
  2. ecosystems
  3. populations
  4. neighborhoods
Grade 7 Communities, Populations, and Ecosystems
Which factor affects the size and growth of a population?
  1. number of births and deaths
  2. competition between populations
  3. emigration and immigration
  4. all of the above
Grade 7 Communities, Populations, and Ecosystems
If two organisms rely on the same limited resource,                 will likely result.
  1. extinction
  2. competition
  3. photosynthesis
  4. decomposition
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