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Communities, Populations, and Ecosystems Questions - All Grades

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Grade 5 Communities, Populations, and Ecosystems
Grade 9 Communities, Populations, and Ecosystems
Which of these refers to a niche?
  1. An environmental factor that tends to limit population size.
  2. n increase in the Earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect.
  3. Unique living arrangement of an organism defined by its habitat, food sources, time of day it’s most active, and other factors.
  4. None of the above
Grade 4 Communities, Populations, and Ecosystems
Grade 11 Communities, Populations, and Ecosystems
Which of these is a population?
  1. The total # of a particular species in an area
  2. All of the biotic and abiotic factors in an area
  3. All of the species in an area
  4. Made up of several ecosystems
Grade 4 Communities, Populations, and Ecosystems
Grade 4 Communities, Populations, and Ecosystems
Grade 8 Communities, Populations, and Ecosystems
Which would be a biological indicator for an ecosystem?
  1. pH levels going up in a local pond.
  2. turbidity levels going down in a river
  3. trout populations increasing in a local river
  4. none of the above
Grade 11 Communities, Populations, and Ecosystems
Grade 7 Communities, Populations, and Ecosystems
A niche does not include                                           .
  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 10 Communities, Populations, and Ecosystems
Which statement describes an ecosystem?
  1. When a cleaner shrimp is cleaning
  2. A physical environment with different species that interact with on another
  3. Moving up a level
  4. A working car
Grade 10 Communities, Populations, and Ecosystems
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 6 Communities, Populations, and Ecosystems
Grade 10 Communities, Populations, and Ecosystems
Grade 5 Communities, Populations, and Ecosystems
Aquatic ecosystems contain all                       
  1. land based ecosystems
  2. space based ecosystems
  3. water based ecosystems
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