Revision 3: Food Webs and Food Chains

Multiple Choice

The arrows in a food chain show

• the direction of energy flow in a food chain
• where the frog will jump

• heat is rising

Multiple Choice

Choose the correct option to finish the following statement.

Energy in the food chain transfers from the...

• snake to frog to grasshopper to grass

• frog to snake to grasshopper to grass

• grass to frog to snake to grasshopper

• grass to grasshopper to frog to snake

Match

Match the following

• Grass

• Grasshopper

• Frog

• snake

producer

first-order consumer

second-order consumer

third-order consumer

• producer

• first-order consumer

• second-order consumer

• third-order consumer

Labeling

An estuary is where a river meets the sea. Estuaries often contain shallow salty water in which a water grass called eel grass grows. The larva of small animals called copepods use the grass as a food source. Eels are predators of copepods and the eels are the prey of adult herring fish.

       Use this information to complete the food chain

Drag labels to their correct position on the image

Eel grass

larva

Eels

Herring

Multiple Choice

Producers make up the first trophic level. Most producers make their own food using a process called photosynthesis. What are the producers in the food web?

• grass, plants and tree's

• grasshoppers and bees

• rabbits, mice and birds

• eagles, snakes and deer

Multiple Choice

In the food web, what does the Hawk eat?

• grass, plants and tree's

• grasshoppers and bees

• rabbits, mice and snakes

• birds and bees

Drag and Drop

If birds were removed from the food web, the number of bees and grasshoppers will increase and the number of snakes will decrease ​

Placeholder

Drag these tiles and drop them in the correct blank above

True

False

Drag and Drop

If rabbits were removed from the food web, the number of mountain lions will decrease ​​

Placeholder

Drag these tiles and drop them in the correct blank above

False

True