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Tenth Grade (Grade 10) Ecology Questions

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Grade 10 Food Chains and Webs
Grade 10 Food Chains and Webs
Grade 10 Food Chains and Webs
Why are decomposers such an essential part of any food web and ecosystem?
  1. Decomposers recycle nutrients that keep the flow of energy going.
  2. Decomposers provide the base of all energy production in the food web.
  3. Decomposers are responsible for keeping the numbers of herbivores in check.
  4. Decomposers prevent new species from coming into the system.
Grade 10 Food Chains and Webs
Which graphic best represents the flow of energy in a biome?
  1. food chain
  2. food web
  3. energy pyramid
  4. food circle
Grade 10 Symbiosis
Grade 10 Communities, Populations, and Ecosystems
Grade 10 Food Chains and Webs
Grade 10 Conservation and Biodiversity
The variety of life across the biosphere is
  1. biodiversity.
  2. genomics.
  3. homeostasis.
  4. ecology.
Grade 10 Biogeochemical Cycles
Nutrients move through an ecosystem in
  1. energy pyramids.
  2. ecological pyramids.
  3. biogeochemical cycles.
  4. the water cycle.
Grade 10 Biogeochemical Cycles
How do living things contribute to the water cycle?
  1. evaporation
  2. condensation
  3. precipitation
  4. transpiration
Grade 10 Food Chains and Webs
Most of the energy that fuels ecosystems on Earth comes from
  1. chemicals.
  2. water.
  3. sunlight.
  4. bacteria.
Grade 10 Conservation and Biodiversity
The declining number and variety of the species in an area is
  1. loss of biodiversity.
  2. supply and demand.
  3. a developed nation.
  4. sustainability.
Grade 10 Biomes
This biome has four seasons.
  1. desert
  2. tropical rainforest
  3. grassland
  4. temperate deciduous forest
Grade 10 Biotic and Abiotic
Which is a biotic factor?
  1. predator
  2. water
  3. temperature
  4. pH
Grade 10 Symbiosis
What relationship exists between a caribou and a wolf?
  1. symbiotic
  2. predator-prey
  3. mutualistic
  4. commensalistic
Grade 10 Communities, Populations, and Ecosystems
Grade 10 Food Chains and Webs
How does energy flow through an ecosystem?
  1. from consumers to producers to the Sun to the atmosphere
  2. from producers to the atmosphere to consumers to the Sun
  3. from the Sun to producers to consumers to the atmosphere
  4. from the Sun to consumers to the atmosphere to producers
Grade 10 Biomes
All life on Earth exists in
  1. the biosphere.
  2. ecology.
  3. a biome.
  4. an ecosystem.
Grade 10 Food Chains and Webs
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