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Eleventh Grade (Grade 11) Ecology Questions

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Grade 11 Symbiosis
What is the symbiotic relationship in which both organisms benefit?
  1. competition
  2. predation
  3. mutualism
  4. parasitism
Grade 11 Food Chains and Webs
                are organisms that make their own food.
  1. Autotrophs
  2. Heterotrophs
  3. Monotrophs
  4. Selfatrophs
Grade 11 Biogeochemical Cycles
Which means directly uses fossil fuels?
  1. a nuclear reactor
  2. an oil-fired furnace
  3. a wind generator
  4. a woodburning stove
Grade 11 Symbiosis
Which term is the preying of one animal on another?
  1. competition
  2. predation
  3. commensalism
  4. parasitism
Grade 11 Biomes
Which biome has the largest diversity of life?
  1. rain forest
  2. desert
  3. arctic
  4. grassland
  5. ocean
Grade 11 Conservation and Biodiversity
The dodo bird was driven to extinction primarily by                .
  1. habitat loss
  2. overharvesting
  3. pollution
  4. climate change
Grade 11 Food Chains and Webs
Why are decomposers essential to ecosystems?
  1. They decompose living organisms.
  2. They change simple chemicals into complex molecules.
  3. They recycle chemicals in an ecosystem.
  4. They help the food chain continue.
Grade 11 Symbiosis
What is commensalism?
  1. Both species benefit from each other.
  2. One species feeds off another species.
  3. One species inhibits the growth of another species.
  4. One species benefits while the other species is neither harmed or helped.
Grade 11 Conservation and Biodiversity
What is the Lacey Act?
  1. It provides protected habitats for a number of threatened species.
  2. It forbids the interstate shipping of illegally harvested plants and animals.
  3. It provides harvesting quotas and prevents overharvesting.
  4. It prevents the wide spread of invasive species to the US.
Grade 11 Biomes
Which biome is most likely to have animals with very large ears?
  1. savanna
  2. tropical rainforest
  3. temperate rainforest
  4. tundra
Grade 11 Conservation and Biodiversity
Which statement about global biodiversity is correct?
  1. Species diversity is decreasing, but genetic diversity is increasing.
  2. Species diversity is decreasing, and genetic diversity is decreasing.
  3. Species diversity is increasing, but genetic diversity is decreasing.
  4. Declines in genetic diversity are occurring in wild plants but not in crop plants.
Grade 11 Food Chains and Webs
What are the organisms that consume food for energy?
  1. chloroplasts
  2. chlorophylls
  3. autotrophs
  4. heterotrophs
Grade 11 Biotic and Abiotic
Which of these is an abiotic factor?
  1. coral
  2. sea salt
  3. phytoplankton
  4. bactrea
Grade 11 Conservation and Biodiversity
The primary impact of climate change on species diversity is expected to be
  1. an increased number of extreme weather events.
  2. an increased variability in weather.
  3. decreased precipitation worldwide.
  4. changes in available habitat because of changing temperatures.
Grade 11 Symbiosis
What is mutualism?
  1. Both species benefit from each other.
  2. One species feeds off another species.
  3. One species inhibits the growth of another species.
  4. One species benefits while the other species is neither harmed or helped.
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