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AP EAMCET Zoology Unit 8: Ecology and Environment — practice questions

Explore 58 free Zoology Unit 8: Ecology and Environment questions in AP EAMCET Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Zoology Unit 8: Ecology and Environment questions and exercises with answers

Showing questions 1–30 of 58.

Which British ecologist first used the term ecosystem in 1935?Read the answer and worked solution →What is the largest scale of ecological organization?Read the answer and worked solution →Which level of organization covers all interacting species living in one geographic area?Read the answer and worked solution →The set of conditions in which a species can persist is itsRead the answer and worked solution →Who introduced the modern niche concept in 1957, based on biotic and abiotic conditions?Read the answer and worked solution →Biomes are categorized mainly according to theRead the answer and worked solution →Biodiversity includes species diversity, ecosystem diversity and which other kind?Read the answer and worked solution →Which two processes add individuals to a population?Read the answer and worked solution →Under a constant environment, the Malthusian model predicts population growth that isRead the answer and worked solution →In a closed island population, which two processes do not occur?Read the answer and worked solution →If sea otters are removed from a kelp system, what happens next?Read the answer and worked solution →A keystone species typically has what kind of biomass compared with its community role?Read the answer and worked solution →Organisms that make their own food by photosynthesis or chemosynthesis are calledRead the answer and worked solution →Strict herbivores belong to which functional group?Read the answer and worked solution →Interlinked food chains of a community together form aRead the answer and worked solution →The Greek root troph in trophic level meansRead the answer and worked solution →The biotic and abiotic parts of an ecosystem are linked throughRead the answer and worked solution →On broad geographic scales, which factor most strongly determines ecosystem structure?Read the answer and worked solution →Which of these is an internal factor of an ecosystem?Read the answer and worked solution →Which factor determines the nature of soil in an ecosystem?Read the answer and worked solution →Primary production makes organic matter from which source?Read the answer and worked solution →The photosynthesis of all plants in an ecosystem is calledRead the answer and worked solution →The part of GPP left after plant respiration is termedRead the answer and worked solution →Net ecosystem production equals GPP minusRead the answer and worked solution →Carnivores that eat herbivores are classed as which consumers?Read the answer and worked solution →Without decomposition, what would happen in an ecosystem?Read the answer and worked solution →Breaking detritus into smaller pieces, exposing new surfaces to microbes, is calledRead the answer and worked solution →Leaching matters most in which type of environment?Read the answer and worked solution →Chemical alteration of dead organic matter is mainly done byRead the answer and worked solution →Decomposition is fastest under which conditions?Read the answer and worked solution →

Worked practice questions

Which British ecologist first used the term ecosystem in 1935?

  1. Frederic Clements
  2. Eugene Odum
  3. Raymond Lindeman
  4. Arthur Tansley
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Correct answer: D. Arthur Tansley

Arthur Tansley introduced the word ecosystem in 1935 to stress material transfers between organisms and their surroundings.

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What is the largest scale of ecological organization?

  1. Biome
  2. Biosphere
  3. Ecosystem
  4. Community
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Correct answer: B. Biosphere

The biosphere is the sum of all ecosystems on the planet, so it sits at the top of the hierarchy.

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Which level of organization covers all interacting species living in one geographic area?

  1. Population
  2. Guild
  3. Organism
  4. Community
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Correct answer: D. Community

A community is the collection of species of different kinds that inhabit and interact in the same area.

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