Read a food web

Question 1

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl A disease kills most of the grass. Which animal loses one of its foods?

• A. fox
• B. rabbit
• C. owl
• D. caterpillar

Question 2

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl Which of these is a producer?

• A. grass
• B. rabbit
• C. owl
• D. caterpillar

Question 3

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl Which of these does the caterpillar eat?

• A. oak tree
• B. mouse
• C. fox
• D. rabbit

Question 4

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl A disease kills most of the oak tree. Which animal loses one of its foods?

• A. fox
• B. caterpillar
• C. blue tit
• D. rabbit

Question 5

Here is an ocean food web. (An arrow points from the food to the animal that eats it.) phytoplankton → zooplankton kelp (seaweed) → sea urchin zooplankton → herring sea urchin → sea otter herring → seal seal → orca herring → orca How many different animals in this web eat the kelp (seaweed)?

Answer 

Question 6

Here is a pond food web. (An arrow points from the food to the animal that eats it.) algae → mayfly larva algae → tadpole pondweed → pond snail algae → pond snail mayfly larva → dragonfly larva tadpole → dragonfly larva mayfly larva → stickleback (small fish) dragonfly larva → stickleback (small fish) stickleback (small fish) → heron tadpole → heron Which of these does the mayfly larva eat?

• A. algae
• B. dragonfly larva
• C. tadpole
• D. stickleback (small fish)

Question 7

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl A disease kills most of the caterpillar. Which animal loses one of its foods?

• A. mouse
• B. rabbit
• C. owl
• D. blue tit

Question 8

Here is an ocean food web. (An arrow points from the food to the animal that eats it.) phytoplankton → zooplankton kelp (seaweed) → sea urchin zooplankton → herring sea urchin → sea otter herring → seal seal → orca herring → orca Which of these is a producer?

• A. seal
• B. herring
• C. sea urchin
• D. kelp (seaweed)

Question 9

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl Which of these does the rabbit eat?

• A. grass
• B. blue tit
• C. owl
• D. mouse

Question 10

Here is a pond food web. (An arrow points from the food to the animal that eats it.) algae → mayfly larva algae → tadpole pondweed → pond snail algae → pond snail mayfly larva → dragonfly larva tadpole → dragonfly larva mayfly larva → stickleback (small fish) dragonfly larva → stickleback (small fish) stickleback (small fish) → heron tadpole → heron A disease kills most of the algae. Which animal loses one of its foods?

• A. stickleback (small fish)
• B. dragonfly larva
• C. pond snail
• D. heron

Question 11

Here is an ocean food web. (An arrow points from the food to the animal that eats it.) phytoplankton → zooplankton kelp (seaweed) → sea urchin zooplankton → herring sea urchin → sea otter herring → seal seal → orca herring → orca How many different animals in this web eat the herring?

Answer 

Question 12

Here is an ocean food web. (An arrow points from the food to the animal that eats it.) phytoplankton → zooplankton kelp (seaweed) → sea urchin zooplankton → herring sea urchin → sea otter herring → seal seal → orca herring → orca Which of these does the seal eat?

• A. orca
• B. herring
• C. zooplankton
• D. phytoplankton

Question 13

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl A disease kills most of the rabbit. Which animal loses one of its foods?

• A. owl
• B. caterpillar
• C. blue tit
• D. fox

Question 14

Here is an ocean food web. (An arrow points from the food to the animal that eats it.) phytoplankton → zooplankton kelp (seaweed) → sea urchin zooplankton → herring sea urchin → sea otter herring → seal seal → orca herring → orca Which of these is a producer?

• A. seal
• B. kelp (seaweed)
• C. orca
• D. sea otter

Question 15

Here is a woodland food web. (An arrow points from the food to the animal that eats it.) oak tree → caterpillar grass → rabbit oak tree → mouse grass → mouse caterpillar → blue tit rabbit → fox mouse → fox mouse → owl blue tit → owl Which of these does the rabbit eat?

• A. oak tree
• B. fox
• C. mouse
• D. grass

Question 16

Here is a pond food web. (An arrow points from the food to the animal that eats it.) algae → mayfly larva algae → tadpole pondweed → pond snail algae → pond snail mayfly larva → dragonfly larva tadpole → dragonfly larva mayfly larva → stickleback (small fish) dragonfly larva → stickleback (small fish) stickleback (small fish) → heron tadpole → heron A disease kills most of the pondweed. Which animal loses one of its foods?

• A. pond snail
• B. heron
• C. stickleback (small fish)
• D. tadpole