Food Chains Practice

Food Chains

​You will not need any paper for this assignment.

Food Chain

A food chain explain how food energy is transferred from plants to an animal and then to other animals. Food chains always start with green plants making food energy from the sun. They are the only part of a food chain that can transfer the sun’s energy into food during a process called photosynthesis. A plant that can make its own food through photosynthesis is called producer. An apple tree, sunflower, or grapes are producers. The greatest amount of energy in a food web is in the producers.

    Next, an animal eats the plant and another animal eats that animal.  An organism that eats another organism in order to get its food, like an animal is eating a plant or another animal, are consumers.

   An animal that eats the plant is the primaryconsumer. The animal that eats another animal is a secondaryconsumer. Animals with nopredators are at the top of the foodchain. When these predators die, their body is decomposed. Decomposers are made up of fungi, bacteria, worms and insects. Decomposers are living things that get energy by breakingdowndeadanimals and plants and breaking down wastes of other animals.

Parts of the Food Chain

 All living parts of an ecosystem are interdependent on each other. They depend on one another for survival. Starting with the sun’s energy, organisms pass energy from one organism to another in a food chain or food web. The producer has the greatest amount of energy.

  Look down below. In a food chain/web, the arrowpoints to the organism that is doing the eating, therefore showing the flow of energy.

Multiple Choice

The shortgrass prairie is an ecosystem found in the Great Plains. Many different populations of animals depend on the prairie ecosystem for survival. A typical community includes animals such as snakes, birds, mice, rodents, and insects.

Which food chain most accurately demonstrates the flow of energy in a shortgrass prairie ecosystem?

• grasshopper → bird → rodent → buffalo

• hawk → snake → mouse → grasshopper

• grasshopper → mouse → snake → hawk

• snake → hawk → skunk → mouse

Multiple Choice

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

• Grass

• Grasshopper

• Snake

• Hawk

Multiple Choice

The roadrunner is a desert bird that eats fruits and seeds. It also eats insects, spiders, scorpions, and rattlesnakes.

What would likely happen if the roadrunner population disappeared from its ecosystem?

• There would be no more fruits or seeds.

• There would a decrease in spider populations.

• The rattlesnake population would stay the same.

• There would be an increase in scorpion populations.

Labelling

Look at the food chain below. Label each picture with what it is.

Drag labels to their correct position on the image

Secondary Consumer

Origin of Energy

Producer

Primary Consumer

Tertiary Consumer

Multiple Choice

What is one example of the way that energy flows in the food chain above?

• Energy flows from grass to the Sun

• Energy flows from hawks to snakes

• Energy flows from grasshoppers to finches

• Energy flows from snakes to finches

Match

Match the following vocabulary.

• Photosynthesis

• Sun

• Producer

• Consumer

• Decomposer

The process by which plants create their own food.

Where all energy starts.

The green plant that creates in own energy from the sun, air, and water.

The animal that eats the producer.

The organism that breaks doewn dead material.

• The process by which plants create their own food.

• Where all energy starts.

• The green plant that creates in own energy from the sun, air, and water.

• The animal that eats the producer.

• The organism that breaks doewn dead material.

Multiple Choice

The diagram shows a grassland food chain. If the mice are removed from this food chain, which animal population would most likely be affected first?

• Plant Seeds

• Field Mice

• Snakes

• Mountain Lions

Dropdown

A food chain shows how ​

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get food. Food chains always start with the ​

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, which is the origin of energy. The ​

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is then passed to the producer. ​

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are plants that create their own food with photosynthesis. Next, a primary consumer gets the producer's energy by ​

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it.

Dropdown

Then, the ​energy is passed to the ​

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consumer. Finally, ​

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break down dead organisms and return the energy and nutrients to the ​

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. ​

Multiple Choice

The diagram shows a food chain.

The squirrel gets its energy directly from -

• sun

• trees

• other squirrels

• hawk

Multiple Choice

In this food chain, where does the lizard get its energy from?

• plant

• grasshopper

• mushrooms

• sun

Multiple Choice

Label the following.

• Decomposer

• Consumer

• Producer

Multiple Choice

What is a part of the food chain that makes its own food and nutrients?

• consumer

• producer

• omnivore

• sun

Labelling

Label the following.

Drag labels to their correct position on the image

Producer

Consumer

Decomposer

Multiple Choice

An animal that eats only plants is called a -

• carnivore

• omnivore

• insectivore

• herbivore

Multiple Choice

Label the image.

• Producers

• Consumer

• Decomposer

Multiple Choice

An animal that eats both plants and animals is called a -

• omnivore

• herbivore

• carnivore

• producer