Cycle of Matter in an Ecosystem

Why is studying a food web important?

• To learn about different types of food
• To understand who eats who and how energy and matter move through an ecosystem
• To understand how to grow different types of food
• To understand how to cook different types of food

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What is the role of decomposers in an ecosystem?

• To produce food for consumers
• To convert matter into energy
• To capture energy from the sun
• To break down dead organisms and return matter back to the soil

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The ability to do work is called ______

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What is decomposition?

• A simplified drawing showing the appearance, structure, or workings of something
• The ability to do work
• The process by which organic substances are broken down into simpler organic matter
• The movement of something from one place to another

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The principle of conservation of matter and energy states that matter and energy cannot be ______ or destroyed

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What is matter?

• The ability to do work
• The sequence of who eats whom in a biological community
• The movement of something from one place to another
• Anything that has mass and takes up space

What is the principle of conservation of matter and energy?

• Matter and energy can only change forms
• Matter and energy can only be created
• Matter and energy can only be destroyed
• Matter and energy can be created or destroyed

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What is balance in an ecosystem?

• A simplified drawing showing the appearance, structure, or workings of something
• The movement of something from one place to another
• The state of maintaining stability within an ecosystem
• The ability to do work

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What does a food web represent?

• The amount of rainfall in an ecosystem
• The number of organisms in an ecosystem
• The flow of energy and cycling of matter in an ecosystem
• The temperature changes in an ecosystem

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What is a food web?

• A type of spider web made of food particles
• A type of food storage container
• A network of food chains in an ecosystem
• A type of food delivery service

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