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Fifth Grade (Grade 5) Food Chains and Webs Questions

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Grade 5 Food Chains and Webs
Imagine that pollution caused all of the plants in an aquatic food chain to die. Would this affect the population of the largest fish?
  1. Yes, because the largest fish need to eat plants to supplement their diet.
  2. Yes, because all the food energy in the chain comes through the plants.
  3. No, because the largest fish are big enough to survive a change in the ecosystem.
  4. No, because only the smallest fish depend on the plants for survival.
Grade 5 Food Chains and Webs
A food chain begins when
  1. an animal eats another animal.
  2. an animal eats a green plant.
  3. a plant eats an insect.
  4. an animal eats the remains of a dead tree.
Grade 5 Food Chains and Webs
A carnivore is an animal that only eats meat.
  1. True
  2. False
Grade 5 Food Chains and Webs
Food webs illustrate
  1. that energy passes from organism to organism.
  2. where animals live.
  3. the difference in spiders.
Grade 5 Food Chains and Webs
Which best describes the role of a producer in an ecosystem?
  1. A producer supplies light for the consumers in the ecosystem.
  2. A producer supplies water for the consumers in the ecosystem.
  3. A producer supplies oxygen for the consumers in the ecosystem.
  4. A producer supplies energy for the consumers in the ecosystem.
Grade 5 Food Chains and Webs
The sequence of organisms through which the energy flows is called a                .
  1. food chain
  2. food web
Grade 5 Food Chains and Webs
               break down dead plants and animals.
  1. decomposers
  2. producers
  3. consumers
  4. prey
Grade 5 Food Chains and Webs
A                 consumer eats primary consumers.
  1. producer
  2. secondary
  3. decomposer
  4. tertiary
Grade 5 Food Chains and Webs
“Nature’s recyclers” are referred to as                .
  1. decomposers
  2. consumer
  3. producer
  4. predator
Grade 5 Food Chains and Webs
brown seaweed -> queen conch -> Caribbean lobster -> Caribbean reef shark

The Caribbean reef shark is a carnivore. Why?
  1. It eats a consumer.
  2. It eats a producer.
  3. It's a decomposer.
  4. It eats both plants and animals.
Grade 5 Food Chains and Webs
A                 consumer is the animal at the top of a food chain.
  1. primary
  2. secondary
  3. tertiary
  4. top
Grade 5 Food Chains and Webs
A herbivore is an animal that only eats plants.
  1. True
  2. False
Grade 5 Food Chains and Webs
macroalgae -> sludge worm -> brown trout -> pike

The brown trout is a carnivore. Why?
  1. It eats a producer.
  2. It eats meat or consumers.
  3. It eats both producers and consumers.
Grade 5 Food Chains and Webs
Which organism gets its energy directly from the Sun?
  1. grass
  2. bird
  3. snake
  4. mouse
Grade 5 Food Chains and Webs
Plants that obtain energy through photosynthesis are                .
  1. consumers
  2. producers
  3. decomposers
Grade 5 Food Chains and Webs
kelp -> halfmoon -> sea lion -> orca

The sea lion is a predator. Why?
  1. It eats a producer.
  2. It is being hunted.
  3. It hunts and eats a consumer.
  4. None of the above
Grade 5 Food Chains and Webs
The exchange of energy that occurs in an ecosystem can be represented as a                .
  1. timeline
  2. energy map
  3. food web
Grade 5 Food Chains and Webs
An example of a decomposer would be                .
  1. bacteria
  2. water
  3. energy
  4. niche
Grade 5 Food Chains and Webs
How do carnivores obtain energy?
  1. They eat plants
  2. They eat animals
  3. They eat animals and plants
  4. They eat the food they make
Grade 5 Food Chains and Webs
Which statement is most true for the food web shown?
Food Web
  1. the bird, snake, and mouse are all producers
  2. the bird, snake, and mouse are all consumers
  3. the mushrooms and the grass are both decomposers
  4. the mushrooms are producers and the grass is a decomposer
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