Energy Roles in Ecosystems Producers Consumers Decomposers Producers

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Energy Roles in Ecosystems Producers, Consumers, Decomposers

Energy Roles in Ecosystems Producers, Consumers, Decomposers

Producers

Producers

Producers • Make their own food for energy • Use energy from the sun

Producers • Make their own food for energy • Use energy from the sun • They are a source of energy for other organisms

Consumers

Consumers

Consumers

Consumers

Consumers

Consumers

Consumers • Can NOT make their own food • Get energy from producers or

Consumers • Can NOT make their own food • Get energy from producers or other consumers 1. Herbivores - only eat plants 2. Carnivores – only eat meat 3. Omnivores – eat both plants and meat

Decomposers http: //www. pbslearningmedia. org/resource/t dc 02. sci. life. oate. decompose/decomposers/

Decomposers http: //www. pbslearningmedia. org/resource/t dc 02. sci. life. oate. decompose/decomposers/

Decomposers • Get their energy by breaking down wastes and dead organisms • Trash

Decomposers • Get their energy by breaking down wastes and dead organisms • Trash collectors of ecosystem • Some are too small to see

Food Chains and Food Webs Moving energy through an ecosystem

Food Chains and Food Webs Moving energy through an ecosystem

Food Chain • Arrow ALWAYS points in the direction ENERGY is moving • Start

Food Chain • Arrow ALWAYS points in the direction ENERGY is moving • Start with the sun (ENERGY!) • The producer, followed by consumers • Ends with decomposers, then starts over again

Food Web

Food Web

Food Webs • Connects all the food chains • Arrows are the same as

Food Webs • Connects all the food chains • Arrows are the same as a food chain • Doesn’t include decomposers • “Top” organisms aren’t eaten for food

Competition • When organisms fight for resources • Plants – Sunlight – Soil –

Competition • When organisms fight for resources • Plants – Sunlight – Soil – water • Animals – Space – Water – Light – Food – mates

Symbiosis • Long-term relationship • 1) Both organisms are helped • 2) One is

Symbiosis • Long-term relationship • 1) Both organisms are helped • 2) One is helped, nothing happens to the other • 3) One is helped, one is harmed https: //www. youtube. com/watch? v=z. TGc. S 7 v. Jqbs

Resources • Brain pop on food chains • https: //www. brainpop. com/science/ecologyandbehavior/foodchains/ • Producers,

Resources • Brain pop on food chains • https: //www. brainpop. com/science/ecologyandbehavior/foodchains/ • Producers, consumers, decomposers game • http: //www. sheppardsoftware. com/content/animals/kidscorner/games/pro ducersconsumersgame. htm • Food Chains game • http: //www. sheppardsoftware. com/content/animals/kidscorner/games/foo dchaingame. htm

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