Ecosystem Restoration Chapter 2 Study Guide

What is the primary source of energy in ecosystems?

• Water

• Soil

• Sun

• Wind

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What process do plants use to produce food?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

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Which organisms are considered producers in an ecosystem?

• Herbivores

• Carnivores

• Plants

• Decomposers

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What do plants need for photosynthesis?

• Oxygen, water, and sunlight

• Carbon dioxide, water, and sunlight

• Nitrogen, water, and sunlight

• Carbon dioxide, oxygen, and sunlight

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What is the role of herbivores in an ecosystem?

• They produce energy

• They consume producers

• They decompose organic matter

• They control predator populations

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What happens to energy as it moves up the trophic levels?

• It increases

• It remains the same

• It decreases

• It doubles

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What is a food chain?

• A diagram showing energy flow in an ecosystem

• A list of all animals in an ecosystem

• A map of plant locations

• A chart of water sources

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What is a food web?

• A single path of energy flow

• A network of interconnected food chains

• A list of producers

• A map of predator locations

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What is the role of decomposers in an ecosystem?

• They produce their own food.

• They compete for food sources.

• They break down dead organisms and return nutrients to the soil.

• They eat plants and other animals.

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Which of the following is an example of a producer?

• Mushroom

• Rabbit

• Tree

• Fox

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