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Review

Review. Write the following terms in your notes: Producer Primary Consumer Secondary Consumer Tertiary Consumer Herbivore Carnivore Predator Prey Look at the food chain and write down which animal/plant fits each term!. Producer – Flower Primary Consumer – Caterpillar

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Review

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  1. Review • Write the following terms in your notes: • Producer • Primary Consumer • Secondary Consumer • Tertiary Consumer • Herbivore • Carnivore • Predator • Prey • Look at the food chain and write down which animal/plant fits each term!

  2. Producer – Flower • Primary Consumer – Caterpillar • Secondary Consumer – Frog • Tertiary Consumer – Snake • Herbivore – Caterpillar • Carnivore – Frog, Snake, and Owl • Predator – Frog, Snake, and Owl • Prey – Caterpillar, Frog, and Snake

  3. Decomposers

  4. Decomposers • Food chains end with decomposers! • Decomposers eat the leftovers that the scavengers leave behind!

  5. Decomposers • Decomposers break down plant and animal material. • What would happen if there were no decomposers? • Waste material would pile sky high withina few months! • 20 ft. of flies in a month!

  6. Decomposers • Some decomposers are very small while others are quite large!

  7. 3 Important Types of Decomposers • Beautiful Bacteria 2. Fabulous Fungi 3. Incredible Insects

  8. Beautiful Bacteria • Bacteria are the smallest living organisms! • They can be found in the air, water, and soil. • There are more bacteria in a spoonful of soil than there are humans on earth!

  9. Fabulous Fungi • Fungi cannot produce their own food because they do not have chloroplasts. • They must get nutrients from dead matter. • Some fungi are so small we cannot see them!

  10. Incredible Insects • Dung Beetles • Gain nutrients from manure of herbivores and omnivores.

  11. Earthworms • Eat scraps of fruits and plants and recycle nutrients back into the cycle. • Their waste is full of nitrogen, phosphorus, and potassium! VIDEO

  12. Scavenger or Decomposer? • Scavengers eat dead organisms too but decomposers break them down to put nutrients back into the soil.

  13. What conditions do decomposers need to do their job? • Like all living organisms, decomposers need : 1. Warmth (Sun) • Air (Oxygen) 3. Water 4. Food (dead organic matter!)

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