Food Webs and Food Chains

Food Webs and Food Chains

By Lauren Olivares

​Classifying Living Organisms

​ 1. Producers- can produce their own food and energy from the sun and water.

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2. Consumers- gets its food and energy by consuming (eating) other living organisms from a different population.

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3. Decomposers​- get their food and energy by consuming dead organisms.

Herbivore- a consumer that feeds on plants.

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Carnivore- ​a consumer that feeds on meat.

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Omnivore- ​a consumer that eats plants and animals.

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Classifying Consumers

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Food Chain- shows the flow of energy that gets transfered from one oragnism to another.

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All Food Chains start with the SUN.​

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Sun-->Producer-->Consumers​-->Decomposer

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Food Chains

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1. Sun

2. Producer

3. Consumer (herbivore)

4. Consumer (Carnivore/Omnivore)

5. Decomposer

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​Organisms in a

Food Chain​

Every food chain has a predatory prey relationship.

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This is where one species is hunted as a food/energy source of another speices.​

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Predatory Prey Relationship

A food web is made up of many food chains in one ecosystem.

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Food Web

​​Food Web vs Food Chain

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Multiple Choice

Define organism

• nonliving thing that grows

• living thing that grows and rerpoduces

• living thing that says hi

Multiple Choice

Consumers are...

• Organisms that make their own food, use photosynthesis

• Organisms that can not make their own food, need to eat other organisms to get energy

• Organisms that eat decaying and dead matter

Multiple Choice

Decomposers are...

• Organisms that make their own food, use photosynthesis

• Organisms that can not make their own food, need to eat other organisms to get energy

• Organisms that eat decaying and dead matter

Multiple Choice

A herbivore is different than a carnivore because...

• they eat just other animals.

• they eat plants and other animals.

• they only eat plants.

• they eat the decaying animals.

Multiple Choice

You could describe a omnivore by saying...

• they eat just other animals.

• they eat plants and other animals.

• they only eat plants.

• they eat the decaying animals.

Multiple Choice

The main source of energy for all of earth's food chains is the...

• sun

• water

• nutrients

• producers

Multiple Choice

The second link in a food chain is a...

• consumer

• producer

• herbivore

• carnivore

Multiple Choice

A herbivore is a...

• consumer that eats both plants and other animals

• consumer that only eats other animals

• consumer that only eats plants

Multiple Choice

An omnivore is a...

• consumer that eats both plants and other animals

• consumer that eats only other animals

• consumer that eats only plants

Multiple Choice

Examples of decomposers are...

• plants

• animals

• bacteria and fungi

Multiple Choice

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer

Multiple Choice

Animals that are being hunted and eaten by predators.

• prey
• extinct

Multiple Choice

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same