Transfers of biomass between trophic levels
Quiz by Oak National Academy: GCSE Biology OCR Foundation
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- Q 1/6Score 0Look at the food chain diagram below. Match the organism to the correct trophic level it occupies.29Users link answers
6 questions
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- Q1Look at the food chain diagram below. Match the organism to the correct trophic level it occupies.Users link answersLinking30s
- Q2Look at the pyramid of biomass. What can you tell from the pyramid of biomass?The biomass increases as you move along the food chain.The number of organisms increases as you move along the food chain.The number of organisms decreases as you move along the food chain.The biomass decreases as you move along the food chain.30s
- Q3In food chains, biomass can be lost between different trophic levels. One example is when food that is eaten is not digested. The undigested food is released from the body. What is the release called?egestionexcretionindigestiondecomposition30s
- Q4Food chains show how food (biomass) is transferred from one organism to another. Most food chains contain five trophic levels or less. Why are food chains not longer than this?Organisms get larger at higher trophic levels.Biomass is lost at each trophic level.Producers are consumed before they make enough biomass.There are more organisms consuming biomass at higher trophic levels.30s
- Q5How much of something (e.g. biomass) is transferred compared to how much is available is known as what?Users enter free textType an Answer30s
- Q6Look at the table of biomasses of organisms that could be found in a food chain diagram. What is the approximate percentage efficiency of biomass transfer between each trophic level?0.1%50%1%100%10%30s
