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 Which of these does the fox eat?

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

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. blue tit
• B. rabbit
• C. owl
• D. oak tree

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 A disease kills most of the oak tree. Which animal loses one of its foods?

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

Question 4

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 pond snail eat?

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

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 A disease kills most of the dragonfly larva. Which animal loses one of its foods?

• A. mayfly larva
• B. stickleback (small fish)
• C. tadpole
• D. heron

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 Which of these does the owl eat?

• A. caterpillar
• B. oak tree
• C. blue tit
• D. fox

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 How many different animals in this web eat the sea urchin?

Answer 

Question 9

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 A disease kills most of the kelp (seaweed). Which animal loses one of its foods?

• A. sea otter
• B. orca
• C. zooplankton
• D. sea urchin

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 Which of these does the dragonfly larva eat?

• A. algae
• B. pondweed
• C. mayfly larva
• D. stickleback (small fish)

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 Which of these is a producer?

• A. kelp (seaweed)
• B. zooplankton
• C. herring
• D. orca

Question 12

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 blue tit. Which animal loses one of its foods?

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

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 Which of these does the blue tit eat?

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

Question 14

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. blue tit
• B. owl
• C. fox
• D. grass

Question 15

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 mayfly larva. Which animal loses one of its foods?

• A. pond snail
• B. dragonfly larva
• C. heron
• D. tadpole

Question 16

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 sea otter eat?

• A. sea urchin
• B. orca
• C. phytoplankton
• D. herring