Ecology Review Part 1 - Food Webs and Energy Pyramids

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Multiple Choice

Organism that makes its own food using energy from the sun

• consumer

• producer

• decomposer

• predator

Multiple Select

Choose all that apply: Which of the following are examples of producers?

• Plants

• Fungi

• Algae

• Phytoplankton

Multiple Choice

Organism that eats other things for food

• consumer

• producer

• decomposer

• prey

Multiple Choice

Bacteria and fungi typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

Multiple Choice

What is a decomposer?

• An organism that breaks down dead plants and animals.

• An organism that destroys only producers.

• An organism that only eats meat.

• An organism that doesn't eat other organisms.

Multiple Choice

What does the arrow represent in a food chain?

• How far organisms live from each other.

• The transfer of energy from one organism to another.

• The size of the organisms from smallest to largest.

• The amount of energy the organism receives from the sun.

Multiple Choice

Which of these organisms would receive energy from the snake?

• Plant Seeds

• Rabbit
• Field Mouse

• Eagle

Reorder

Place following trophic levels in the correct order

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

Which organism in this food chain is a secondary consumer?

• Fish
• Grass
• Grasshopper
• Hawk

Multiple Choice

Which organism in this food chain is a tertiary consumer?

• Fish
• Grass
• Grasshopper
• Hawk

Match

Match the following organisms in the food chain to their trophic level. One level has no organism (None). Click on the picture to make it bigger.

• Phytoplankton

• Barnacles

• Fish

• Shark

• (None)

Producer

Primary Consumer

Secondary Consumer

Tertiary Consumer

Decomposer

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

• Decomposer

Match

Match the following organisms in the food chain to their trophic level. One level has no organism (None). Click on the picture to make it bigger.

• Grasses

• Zebra

• Lion

• Termite/Fungi

• (None)

Producer

Primary Consumer

Secondary Consumer

Decomposer

Tertiary Consumer

• Producer

• Primary Consumer

• Secondary Consumer

• Decomposer

• Tertiary Consumer

Multiple Choice

What is most likely the first thing to result from having fewer field mice in the food chain pictured here?

• The snakes would have to find another food source.

• The plants that make seeds would decrease in number.

• The eagles would have to fly away to a location.

• The mice would eat many more kinds of seeds.

Multiple Choice

A new fish that also eats plants is introduced into a pond. What changes would occur to this pond ecosystem?

• The large fish population will decrease.

• The plant population will decrease.

• The small fish population will increase.

• The new fish population will decrease.

Multiple Choice

This food chain can be found in the coastal waters of Virginia. The population of which organisms in the food chain would be the first to decline if commercial fishing over-harvested shrimp?

• Algae

• Damselfish

• Zooplankton

• Barracuda

Multiple Select

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

• mouse

• rabbit

• wildflowers

• snake

Multiple Select

Which of the THREE following food chains correctly lists a squirrel as a primary consumer?

• Acorn->Squirrel->Bobcat

• Bobcat->Squirrel->Butterfly

• Seeds->Squirrel->Bobcat->Wolf

• Flower->Lizard->Squirrel->Bobcat

• Nuts->Squirrel->Coyote->Mountain Lion

Multiple Choice

The rabbit in this food web would be considered a:

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

Multiple Choice

The mouse in this food web would be considered a:

• Primary Consumer
• Producer
• Tertiary Consumer
• Secondary Consumer

Multiple Choice

Refer to the food web shown in the figure. Which organism is correctly classified as a primary consumer?

• Grasses

• Frog

• Snake

• Grasshopper

Multiple Choice

A partial food web of organisms who live in and around the Amazon River is shown. Which change would most likely occur if all the producers in this ecosystem were removed?

• The populations of consumers would increase.

• The producers would move to a new location.

• The populations of consumers would decrease.

• Pacus would become producers.

Multiple Choice

If the grasshopper were to be removed completely from the food web, what organism would be most affected?

• The squirrel

• The shrew

• The deer

• The rabbit

Multiple Choice

In the energy pyramid here, which organisms have the LEAST energy available?

• Producers

• Primary (1st) Consumers

• Secondary (2nd) Consumers

• Tertiary (3rd) Consumers

Multiple Choice

Which organism receives the least amount of energy from the producer?

• Owl

• Grasshopper

• Lilypad

• Mouse

Multiple Choice

In this energy pyramid, which level has the greatest amount of energy?

• Producers

• Primary Consumers

• Secondary Consumers

• Tertiary Consumers

Reorder

Put the following organisms in order from which receives the MOST energy to which receives the LEAST

• Grass

• Rabbit

• Fox

• Bear

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

How much energy is passed from one trophic level to the next?

• 1%
• 10%
• 50%
• 100%

Match

Match the following organisms to the amount of energy they would expect to receive.

• Grass

• Rabbit

• Fox

• Bear

1500 kcal

150 kcal

15 kcal

1.5 kcal

• 1500 kcal

• 150 kcal

• 15 kcal

• 1.5 kcal

Multiple Choice

If there is 1,000 Kcal available in the producers trophic level, how much energy is available for the primary (1st) consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1,000 Kcal

Multiple Choice

If the rabbits receive 200 kcal of energy from the grass, how much energy should the hawk expect to receive?

• 20 Kcal

• 2 Kcal

• 200 Kcal

• 2,000 Kcal