Explain, in terms of energy loss, why food chains usually have fewer than five trophic levels
Explain, in terms of energy loss, why food chains usually have fewer than five trophic levels
1 Answer
Questions and Answers For
IGCSE Biology
322 Questions
1 Answer Explain why the transfer of energy from one trophic level to another is often not efficient
Explain why the transfer of energy from one trophic level to another is often not efficient
1 Answer Discuss the advantages of using a pyramid of energy rather than pyramids of numbers or biomass to represent a food chain
Discuss the advantages of using a pyramid of energy rather than pyramids of numbers or biomass to represent a food chain
1 Answer Draw, describe and interpret pyramids of energy
Draw, describe and interpret pyramids of energy
1 Answer Identify the following as the trophic levels in food webs, food chains and ecological pyramids: producers, primary consumers, secondary consumers, tertiary consumers and quaternary consumers
Identify the following as the trophic levels in food webs, food chains and ecological pyramids: producers, primary consumers, secondary consumers, tertiary consumers and quaternary consumers
1 Answer Describe a trophic level as the position of an organism in a food chain, food web or ecological pyramid
Describe a trophic level as the position of an organism in a food chain, food web or ecological pyramid
1 Answer Discuss the advantages of using a pyramid of biomass rather than a pyramid of numbers to represent a food chain
Discuss the advantages of using a pyramid of biomass rather than a pyramid of numbers to represent a food chain
1 Answer Draw, describe and interpret pyramids of numbers and pyramids of biomass
Draw, describe and interpret pyramids of numbers and pyramids of biomass
1 Answer Use food chains and food webs to describe the impact humans have through overharvesting of food species and through introducing foreign species to a habitat
Use food chains and food webs to describe the impact humans have through overharvesting of food species and through introducing foreign species to a habitat
1 Answer Describe a decomposer as an organism that gets its energy from dead or waste organic material
Describe a decomposer as an organism that gets its energy from dead or waste organic material
1 Answer
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