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Who’s Who in the Ecosystem?

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Presentation on theme: "Who’s Who in the Ecosystem?"— Presentation transcript:

1 Who’s Who in the Ecosystem?
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2 Producers An autotrophic is an organism that produces its own food and serves as a source of food for other organisms in a food web. Converts raw energy from the sun to organic molecules and nutrients useful to themselves and other organisms Producers include green plants (grass and trees) which produce food through photosynthesis Algae and some bacteria are also producers Slide background image courtesy of R. Means ©Copyright all rights reserved

3 Consumers Are heterotrophic - cannot make their own food and must obtain energy by eating other organisms. Includes animals, bacteria, and fungus Herbivore - eats only plants (grasshopper) Carnivore - eats other animals (wolf) Omnivore - eats both plants and animals (black bear) Background photo slide courtesy of D.B. Means ©Copyright all rights reserved

4 Decomposers An organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter. Converts dead organisms and animal/plant waste into water and nutrients. Nutrients are returned to the soil and made available to the other organisms in the ecosystem. Background image: ©Copyright all rights reserved

5 ©Copyright 2015- all rights reserved www.cpalms.org
Label the plant or animal as a producer, consumer, or decomposer. Then draw arrows to show how energy is transferred through the ecosystem. Ladybird Butterfly Mouse Rabbit Titmouse bird Print This Slide for students to complete during the guided practice. Have the students help you identify the producers and consumers and write on each blank. Then draw arrows to show how energy is transferred through the ecosystem. Arrows represent the flow of energy from the body of the consumed organism to the body of the consumer of that organism. Remember that producers transfer energy to the primary consumers in the food chain, next to the secondary consumers, then to the tertiary consumers, and lastly the decomposers recycle matter back into the soil. Grasshopper Fungi Plantain ©Copyright all rights reserved

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