Energy in an Ecosystem Cornell Notes pg. 151

Think and Discuss: Where do you get your energy from?

What is the ultimate source of Energy? The Sun Gives off energy/light We can feel its warmth!

Organism that uses energy from the sun to make or produce its own food. Plants, some bacteria What is a Producer?

Must eat or consume another organism for energy! What is a Consumer? Must eat or consume another organism for energy! 3 types: herbivore, carnivore, and omnivore

Herbivores: eat only plants- also called “primary consumers” What is a Consumer? Herbivores: eat only plants- also called “primary consumers”

What is a Consumer? Carnivores: eat only meat- also called “Secondary or tertiary consumers”

What is a Consumer? Omnivores: eat both plants and meat/ insects. (Can be called either “primary” or “secondary”

Scavengers: eat dead animals and/or plants What is a Consumer? Scavengers: eat dead animals and/or plants

Breaks down or decomposes dead organisms What is a Decomposer? Returns nutrients to the environment Fungi, worms, bacteria What is a Decomposer?

Summary Page 151 Topic Sentence: All energy in an ecosystem comes from the Sun. *Please explain how energy moves through an ecosystem. producers, consumers: herbivores, carnivores, omnivores, scavengers, and decomposers.