Chapter 18 - Interactions within Ecosystems

The role of plants in a food web is 

• consumer
• decomposer
• predator
• producer

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Choose the complete and logical food chain.

• sun-plant-rabbit- eagle
• deer - squirrel- plant-sun
• sun -deer-plant- eagle
• eagle- squirrel-rabbit- plant- eagle

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How do animals depend on plant for survival?

• Animals help spread seeds of plants for new growth
• Animals are producers in a food web
• Plants and animals need sunlight to survive
• Animals eat plants and other animals that eat plants for food

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Cutting down trees will ...

• have very little effect on the living things in the ecosytem
• affect most of the plants and animals in the ecosystem
• only affect animals that live in the trees of the ecosystem
• only affect animals that live in ecosystem

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How do plants get their source of energy (food)?

• Plants get their food from the soil and water
• Plants use the energy from the sun, air, and water to make their food
• Plants get their food from minerals
• Plants get their food from the decaying plants and animals

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The non living parts of an ecosystem

• abiotic factors
• biotic factors
• oxygen
• soil

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All of the different populations that live in a specific area.

• ecosystem
• habitat
• ecology
• community

An abiotic part of an ecosystem; required by plants to perform photosynthesis.

• water
• soil
• sunlight
• oxygen

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The place where an organism lives that provides it with shelter, food and water.

• ecosystem
• population
• community
• habitat

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The study of the interaction of living and nonliving things in the environment.

• biology
• ecology
• zoology
• psychology

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