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Food Chains and Webs Questions - All Grades

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Grade 5 Food Chains and Webs
What is the original source of almost all the energy in most ecosystems?
  1. carbohydrates
  2. sunlight
  3. water
  4. carbon dioxide
Grade 5 Food Chains and Webs
The niche of a producer is to
  1. eat other consumers.
  2. provide food for carnivores.
  3. make carbon dioxide-oxygen.
  4. provide food for themselves and other organisms.
Grade 3 Food Chains and Webs
What is a food chain?
  1. energy from the sunlight
  2. path of energy from one thing to another
  3. extra food stored by a plant
  4. slug that eats leaves
Grade 3 Food Chains and Webs
A lion is a carnivore. What does a carnivore eat?
  1. plants
  2. animals
Grade 3 Food Chains and Webs
What happens when living things decompose?
  1. They grow healthy and strong.
  2. They have babies.
  3. They store up fat for the winter.
  4. Their parts break down into the soil.
Grade 8 Food Chains and Webs
What is the purpose of a food chain?
  1. shows what organisms eat which foods
  2. shows the importance of the Sun's energy
  3. depicts the predator/prey relationships between organisms
  4. shows the transfer of energy between trophic levels
Grade 6 Food Chains and Webs
Plants are necessary for life on Earth.
  1. True
  2. False
Grade 5 Food Chains and Webs
Imagine that pollution caused all 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 begins with 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
What organism feeds only on plants?
  1. carnivore
  2. herbivore
  3. omnivore
  4. detritivore
Grade 5 Food Chains and Webs
What breaks down dead plants and animals?
  1. decomposer
  2. consumer
  3. predator
  4. producer
Grade 8 Food Chains and Webs
A gazelle eats grass and is later eaten by a tiger. Which is the prey?
  1. lion
  2. tiger
  3. grass
  4. gazelle
Grade 5 Food Chains and Webs
Why can many kinds of plants and animals live together in an ecosystem?
  1. The plants and animals all care for each other and protect one another.
  2. The plants and animals are part of a food chain and depend on each other to live.
  3. The plants and animals have nothing to do with each other, so they can live together.
  4. The plants and animals all feed on the same things, so they compete with each other for food.
Grade 3 Food Chains and Webs
When a living thing dies it DECOMPOSES and rots away. What does DECOMPOSE mean?
  1. to grow bigger
  2. to break down
  3. to survive
  4. to study closely
Grade 8 Food Chains and Webs
Organisms that exclusively feed on producers are
  1. herbivores.
  2. omnivores.
  3. carnivores.
  4. predators.
Grade 5 Food Chains and Webs
On the diagram below, which would be a secondary consumer?
Food Web
  1. grass
  2. mouse
  3. snake
  4. bird
Grade 5 Food Chains and Webs
What is an animal that eats herbivores?
  1. omnivore
  2. herbivore
  3. carnivore
  4. decomposer
Grade 10 Food Chains and Webs
Autotrophs are organisms that                     .
  1. eat each other.
  2. decompose for food.
  3. make their own food.
  4. scavenge for food.
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