Energy Flows in Ecosystems

Froggy Jumps

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How energy moves through food chains.

Erik Marcela Quejada Moreno

Colombia

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Energy Flows in Ecosystems


Froggy Jumps Energy Flows in EcosystemsVersion en ligne How energy moves through food chains. par Erik Marcela Quejada Moreno 1 Which organism starts the energy flow in most ecosystems? a Producers (plants) b Decomposers (fungi/bacteria) c Primary consumers (herbivores) 2 What happens to most energy as it moves up the food chain? a It is lost as heat b It is recycled into sunlight c It is stored in tissues indefinitely 3 Which group is a primary (first-level) consumer? a Herbivore b Producer c Carnivore 4 What do decomposers do in an ecosystem? a Make energy from sunlight b Eat only plants c Break down dead material 5 What are organisms that eat both plants and animals called? a Omnivore b Carnivore c Herbivore 6 In a simple food chain, the fox is a a Primary producer b Secondary consumer c Decomposer 7 What is a food web? a Many interconnected food chains b A map of energy sources c A single food chain 8 Which is not a trophic level? a Primary consumers b Decomposers c Producers 9 Approximately what percent of energy moves to the next trophic level? a About 90% b About 50% c About 10% 10 Which process adds energy from the sun to an ecosystem? a Decomposition b Photosynthesis c Respiration