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Students classify living things as producers, consumers, or decomposers in this K5 Learning science worksheet.

Grade 3 science worksheet titled "Producers, consumers, and decomposers" with definitions and images of ten living things (grass, elephant, bacteria, tiger, acacia tree, earthworm, mushroom, blackberry plant, grizzly bear, rattlesnake) for students to classify.

Grade 3 science worksheet titled "Producers, consumers, and decomposers" with definitions and images of ten living things (grass, elephant, bacteria, tiger, acacia tree, earthworm, mushroom, blackberry plant, grizzly bear, rattlesnake) for students to classify.

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Show Answer Key & Explanations Step-by-step solution for: Producers, Consumers, And Decomposers Worksheet
Okay, now I see the image for item 7 is labeled "mushroom". Mushrooms are a type of fungus. In ecology, fungi are classic decomposers because they secrete enzymes to break down dead organic matter, such as fallen logs and leaf litter, and then absorb the nutrients. This perfectly matches the definition given in the worksheet: "Decomposers break down and eat dead plants and animals." Therefore, the mushroom should be classified as a decomposer. Now that I have confirmed the roles for the more ambiguous items (bacteria, earthworm, and mushroom), I can finalize the answers for all 10 organisms.

Based on the definitions provided in the worksheet and my analysis of each organism, here is the complete solution:

1. grass - Producer (It's a plant that makes its own food through photosynthesis).
2. elephant - Consumer (It's an animal that eats plants or other animals for energy).
3. bacteria - Decomposer (Most bacteria break down dead organic matter, which is their primary ecological role at this educational level).
4. tiger - Consumer (It's a carnivore that eats other animals for energy).
5. acacia tree - Producer (It's a plant that makes its own food through photosynthesis).
6. earthworm - Decomposer (It consumes and breaks down decaying organic matter in the soil).
7. mushroom - Decomposer (As a fungus, it breaks down dead plant and animal material).
8. blackberry plant - Producer (It's a plant that makes its own food through photosynthesis).
9. grizzly bear - Consumer (It's an omnivore that eats both plants and animals for energy).
10. rattlesnake - Consumer (It's a carnivore that eats other animals for energy).
Parent Tip: Review the logic above to help your child master the concept of consumer and producer worksheet.
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