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Begins with the SUN Photosynthesis

Begins with the SUN Photosynthesis. 6CO 2 + 6H 2 O + sunlight & chlorophyll  C6H 12 O 6 + 6O 2. The chemical reaction by which green plants use water and carbon dioxide and light from the sun to make glucose. ENERGY is stored in glucose; glucose is stored as starch.

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Begins with the SUN Photosynthesis

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  1. Begins with the SUN • Photosynthesis 6CO2 + 6H2O + sunlight & chlorophyll C6H12O6 + 6O2

  2. The chemical reaction by which green plants use water and carbon dioxide and light from the sun to make glucose. • ENERGY is stored in glucose; glucose is stored as starch.

  3. Organisms that can make glucose during photosynthesis are called PRODUCERS.

  4. Producers use cellular respiration to supply the energy they need to live.

  5. The energy that is not used by producers can be passed on to organisms that cannot make their own energy.

  6. Organisms that cannot make their own energy are called CONSUMERS.

  7. Consumers that eat producers to get energy: • Are first order or primary consumers • Are herbivores (plant-eaters)

  8. Most of the energy the primary consumer gets from the producer is used by the consumer.

  9. A consumer that eats a consumer that already ate a consumer: • Is called a third order or tertiary consumer • May be a carnivore or a herbivore • May be a predator • May be a scavenger

  10. Consumers that hunt & kill other consumers are called predators.They animals that are hunted & killed are called prey.

  11. Consumers that eat producers & other consumers • Are called omnivores • Omnivores eat plants and animals

  12. Consumers that eat other consumers that have already died are called scavengers.

  13. The transfer of energy from sun to producer to primary consumer to secondary consumer to tertiary consumer can be shown in a FOOD CHAIN.

  14. Energy pyramids show • That the amount of available energy decreases down the food chain • It takes a large number of producers to support a small number of primary consumers • It takes a large number of primary consumers to support a small number of secondary consumers

  15. Food Webs: • Are interconnected food chains • They show the feeding relationships in an ecosystem

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