Expedited Review Procedure Expedited Review Procedure Initial Review of Research.
Review
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Transcript of Review
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Review• Write the following terms in your notes:1. Producer2. Primary Consumer3. Secondary Consumer4. Tertiary Consumer5. Herbivore6. Carnivore7. Predator8. Prey
• Look at the food chain and write down which animal/plant fits each term!
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1. Producer – Flower
2. Primary Consumer – Caterpillar
3. Secondary Consumer – Frog
4. Tertiary Consumer – Snake
5. Herbivore – Caterpillar
6. Carnivore – Frog, Snake, and Owl
7. Predator – Frog, Snake, and Owl
8. Prey – Caterpillar, Frog, and Snake
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Decomposers
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Decomposers
• Food chains end with decomposers!
• Decomposers eat the leftovers that the scavengers leave behind!
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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!
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Decomposers
• Some decomposers are very small while others are quite large!
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3 Important Types of Decomposers
1. Beautiful Bacteria
2. Fabulous Fungi
3. Incredible Insects
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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!
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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!
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Incredible Insects
• Dung Beetles– Gain nutrients from manure of
herbivores and omnivores.
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• Earthworms
– Eat scraps of fruits and plants and recycle nutrients back into the cycle.
– Their waste is full of nitrogen, phosphorus, and potassium!
VIDEO
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Scavenger or Decomposer?
• Scavengers eat dead organisms too but decomposers break them down to put nutrients back into the soil.
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What conditions do decomposers need to do their
job?• Like all living organisms, decomposers
need :
1. Warmth (Sun)
2. Air (Oxygen)
3. Water
4. Food (dead organic matter!)