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Fifth Grade (Grade 5) Communities, Populations, and Ecosystems Questions

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Grade 5 Communities, Populations, and Ecosystems
The complex interactions of different organisms with one another and with their environment is a(n)                .
  1. biome.
  2. community.
  3. ecosystem.
  4. population.
Grade 5 Communities, Populations, and Ecosystems
A population can survive within an ecosystem if the                                                   .
  1. habitat is large enough to provide shelter.
  2. group can migrate each season.
  3. niche is completely unoccupied by another species.
  4. basic needs can be met.
Grade 5 Communities, Populations, and Ecosystems
When does an ecosystem in its best ability to support a variety of organisms?
  1. organisms share food and habitats equally.
  2. competition for food is controlled by humans.
  3. the physical-space needs of organisms are met.
  4. organisms use the parts of the ecosystem differently.
Grade 5 Communities, Populations, and Ecosystems
Which description is true about the organization of an ecosystem?
  1. Communities make up species, which make up populations.
  2. Populations make up species, which make up communities.
  3. Species make up communities, which make up populations.
  4. Species make up populations, which make up communities.
Grade 5 Communities, Populations, and Ecosystems
What will animals likely do when its ecosystem was destroyed?
  1. stay there.
  2. find a new place to live.
  3. live on water.
  4. get revenge.
Grade 5 Communities, Populations, and Ecosystems
What are the living and nonliving factors in an environment and all their interactions?
  1. community
  2. ecology
  3. food web
  4. ecosystem
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If pesticides are spread to control the insect population, the bird population will most likely
  1. increase.
  2. decrease.
  3. decrease, then increase.
  4. increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
What is a population?
  1. all the species that live in the same area together
  2. two parent cells joining together to form a new cell
  3. group of similar organisms that share the same area
Grade 5 Communities, Populations, and Ecosystems
All of the populations in an ecosystem make up a
  1. habitat.
  2. community.
  3. population.
  4. kingdom.
Grade 5 Communities, Populations, and Ecosystems
An example of an invasive species damaging an ecosystem is                                                                 .
  1. robins building a nest in a tree.
  2. foxes hunting a rabbit.
  3. kudzu vines climbing on native plants and blocking out sunlight.
  4. deer grazing on a farmer's crops.
Grade 5 Communities, Populations, and Ecosystems
In an ecosystem, birds depend on insects to survive. If pesticide is spread to control the insect population, which result is most likely to happen?
  1. The bird population will increase.
  2. The bird population will decrease.
  3. The bird population will decrease, then increase.
  4. The bird population will increase, then decrease.
Grade 5 Communities, Populations, and Ecosystems
Which term refers to all the populations living in an area?
  1. community
  2. food chain
  3. habitat
  4. biome
Grade 5 Communities, Populations, and Ecosystems
A bird interacts primarily with the
  1. hydrosphere.
  2. atmosphere.
  3. lithosphere.
Grade 5 Communities, Populations, and Ecosystems
The role of an organism within its natural environment that determines its relationship with other organisms and ensures its survival is its
  1. niche.
  2. community.
  3. habitat.
  4. food web.
Grade 5 Communities, Populations, and Ecosystems
What is a community?
  1. a single individual organism in a environment
  2. individuals of the same kind living in the same environment
  3. last individual of a organism dying
  4. all the populations of organisms living together
Grade 5 Communities, Populations, and Ecosystems
If a population's needs are not met, then what would happen?
  1. The population would grow larger.
  2. The population would get smaller.
  3. The population would not change.
Grade 5 Communities, Populations, and Ecosystems
Everything that surrounds a person, plant, or animal, including other living things, makes up the
  1. ecology.
  2. biology.
  3. environment.
  4. nature.
Grade 5 Communities, Populations, and Ecosystems
What is a basic component of a habitat?
  1. shelter
  2. food
  3. space
  4. water
  5. all of the above
Grade 5 Communities, Populations, and Ecosystems
Everything that surrounds an organism is its
  1. environment.
  2. habitat.
  3. variable.
  4. biotic factor.
Grade 5 Communities, Populations, and Ecosystems
All the living and nonliving things that surround and affect an organism is
  1. environment.
  2. life cycle.
  3. learned behavior.
  4. mitosis.
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