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Seventh Grade (Grade 7) Ecology Questions

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Grade 7 Biotic and Abiotic
What are biotic factors?
  1. Earth's weather and climate
  2. Non-living parts of an ecosystem
  3. Living organisms in an ecosystem
  4. Landforms and waterfalls
Grade 7 Biotic and Abiotic
What are the nonliving parts of the ecosystem such as water, dirt, and air called?
  1. abiotic factors
  2. biomes
  3. biotic factors
  4. ecological factors
Grade 7 Biotic and Abiotic
Which of the following subsystems of the Earth contains plants and animals?
  1. atmosphere
  2. biosphere
  3. hydrosphere
  4. lithosphere
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 Biomes
What is the Earth's coldest and harshest biome?
  1. rainforest
  2. desert
  3. grassland
  4. tundra
Grade 7 Biotic and Abiotic
Abiotic defines the living parts of an ecosystem.
  1. True
  2. False
Grade 7 Food Chains and Webs
A                 is an organism that makes its own food.
  1. zootrope
  2. consumer
  3. predator
  4. producer
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 Symbiosis
The organism that a parasite feeds off of is the                  .
  1. vein.
  2. host.
  3. white blood cell.
  4. producer.
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 Biomes
What part of Earth supports life?
  1. ecology
  2. ecosystem
  3. biotic
  4. biosphere
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 Food Chains and Webs
Which tool shows the amount of energy available at each feeding level?
  1. food web
  2. food chain
  3. energy pyramid
  4. food pyramid
Grade 7 Biogeochemical Cycles
Lightning, legumes, and bacteria are a part of the                 .
  1. water cycle
  2. nitrogen cycle
  3. carbon cycle
  4. phosphorus cycle
Grade 7 Biotic and Abiotic
What do you call the living or once-living parts of the environment, such as the trees, bushes, and lions of the savanna?
  1. abiotic factors
  2. biotic factors
  3. biosphere
  4. ecological factors
Grade 7 Biogeochemical Cycles
Which process is NOT a way that carbon in dead organisms is returned to the carbon cycle?
  1. becoming fossil fuel
  2. combustion
  3. decomposition
  4. photosynthesis
Grade 7 Symbiosis
When a tick lives on a dog, the symbiosis can be described as what?
  1. mutualism, with the tick and the dog as co-hosts.
  2. predation, with the tick as predator and the dog as prey.
  3. parasitism, with the dog as parasite and the tick as host.
  4. parasitism, with the dog as host and the tick as parasite.
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