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Seventh Grade (Grade 7) Ecology Questions

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Grade 7 Biotic and Abiotic
A biotic factor is
  1. non-living parts of an ecosystem
  2. weather
  3. living organisms in an ecosystem
Grade 7 Symbiosis
When a tick lives on our husky, the symbiosis can be described as follows:
  1. it is mutualism with the tick and the dog as co-hosts
  2. it is predation with the tick predator and the dog prey
  3. it is parasitism with the dog as parasite and the tick as host
  4. it is parasitism with the dog as host and the tick as parasite
Grade 7 Food Chains and Webs
When a hungry cheetah kills and eats a zebra
  1. this is called competition
  2. this is called predation
  3. this is called dinner time
  4. this is called mutation
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 7 Food Chains and Webs
Which of the following would be considered a predator?
  1. Earthworm
  2. Red Tail Hawk
  3. Cricket
  4. Mouse
Grade 7 Biotic and Abiotic
Grade 7 Biogeochemical Cycles
Lightning, legumes and bacteria are a part of which cycle?
  1. water cycle
  2. nitrogen cycle
  3. carbon cycle
  4. phosphorus cycle
Grade 7 Biotic and Abiotic
An abiotic factor
  1. includes non-living parts of an ecosystem
  2. includes living organisms of an ecosystem
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 Food Chains and Webs
Grade 7 Food Chains and Webs
Grade 7 Biotic and Abiotic
Grade 7 Food Chains and Webs
All plants are                 .
  1. producers.
  2. decomposers.
  3. consumers.
  4. Both (b) and (c)
Grade 7 Conservation and Biodiversity
Grade 7 Communities, Populations, and Ecosystems
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