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Communities, Populations, and Ecosystems Questions - All Grades

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Grade 4 Communities, Populations, and Ecosystems
Where do almost all ecosystems get their energy from?
  1. soil.
  2. air.
  3. Sun.
Grade 3 Communities, Populations, and Ecosystems
The number of a group of the same kind of living things that live in the same place is called a(n)
  1. habitat.
  2. population.
  3. ecosystem.
  4. community.
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 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 6 Communities, Populations, and Ecosystems
An ecosystem is a community of living organisms and their                 environment.
  1. habitat
  2. nonliving
  3. niche
  4. physical
Grade 4 Communities, Populations, and Ecosystems
A habitat provides evidence that organisms existed long ago.
  1. True
  2. False
Grade 3 Communities, Populations, and Ecosystems
Some animals need to build or find                 to protect them.
  1. rocks
  2. trees
  3. shelter
  4. air
Grade 6 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. something that affects a certain population
  2. all living and nonliving things in a particular area
  3. an increase in the Earth's temperature
  4. organisms that make their own food
Grade 3 Communities, Populations, and Ecosystems
A place where living and nonliving things interact, such as forests and deserts is called a(n)
  1. ecosystem.
  2. population.
  3. community.
  4. habitat.
Grade 6 Communities, Populations, and Ecosystems
What is the study of the relationship of plants and animals with their physical environment?
  1. biosphere
  2. ecosphere
  3. ecology
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 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 8 Communities, Populations, and Ecosystems
Which series lists the levels of organization in an ecosystem from the smallest unit to the largest?
  1. population, organism, community, ecosystem
  2. organism, population, ecosystem, community
  3. organism, community, population, ecosystem
  4. organism, population, community, ecosystem
Grade 6 Communities, Populations, and Ecosystems
The environment in which an organism lives is a(n)                .
  1. ecozone.
  2. habitat.
  3. climate.
Grade 4 Communities, Populations, and Ecosystems
Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?
  1. The rabbit population may increase.
  2. The rabbit population may decrease.
  3. The bobcat population may decrease.
  4. The bobcat population may stay the same.
Grade 3 Communities, Populations, and Ecosystems
A habitat gives a living thing everything necessary to survive.
  1. True
  2. False
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 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
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