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Fourth Grade (Grade 4) Ecology Questions

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Grade 4 Biotic and Abiotic
An environment's biotic and abiotic factors interact to make a(n)                .
  1. habitat.
  2. ecosystem.
  3. niche.
  4. resource.
Grade 4 Food Chains and Webs
Animals that help break down the dead organisms that fall to the ground are                .
  1. producers.
  2. consumers.
  3. decomposers.
  4. scavengers.
Grade 4 Biotic and Abiotic
Which of the following should replace the question mark below?

Biotic factors - pine trees, squirrels, bacteria
Abiotic factors - light, water, ?
  1. soil
  2. ferns
  3. worms
  4. cacti
Grade 4 Communities, Populations, and Ecosystems
Several species living and interacting with other species in an ecosystem is a(n)                .
  1. population.
  2. community.
  3. environment.
  4. ecosystem.
Grade 4 Communities, Populations, and Ecosystems
What is an ecosystem?
  1. place where animals go eat.
  2. place where animals go to graze.
  3. community of plants and animals and the physical environment in which they live.
Grade 4 Food Chains and Webs
An animal that eats only plants or producers is a(n)                .
  1. consumer.
  2. herbivore.
  3. carnivore.
  4. omnivore.
Grade 4 Food Chains and Webs
An animal that eats both plants and animals is a(n)
  1. herbivore.
  2. carnivore.
  3. dinosaur.
  4. omnivore.
Grade 4 Communities, Populations, and Ecosystems
A living thing's home is its
  1. trait.
  2. habitat.
  3. soil.
  4. food web.
Grade 4 Communities, Populations, and Ecosystems
What is the role of an organism within its environment?
  1. factor
  2. ecosystem
  3. accommodation
  4. niche
Grade 4 Food Chains and Webs
The way food passes from one organism to another organism in a community is a
  1. prey.
  2. predator.
  3. producer.
  4. food chain.
Grade 4 Communities, Populations, and Ecosystems
The                 is defined as where an animal lives.
  1. biome
  2. habitat
  3. ecosystem
Grade 4 Communities, Populations, and Ecosystems
For an insect, the space under a rock is likely its                .
  1. population.
  2. niche.
  3. food source.
  4. habitat.
Grade 4 Biotic and Abiotic
Which of the following best describes the types of things that make up an ecosystem?
  1. all living and nonliving things
  2. only living things
  3. humans and animals
  4. plants only
Grade 4 Food Chains and Webs
Which organism would most likely come between the grass and the snake in a prairie food chain?
Pictograph - Grass[math] ? [/math]Pictograph - Snake
  1. rabbit
  2. wheat
  3. coyote
  4. clover
Grade 4 Biomes
One ecosystem is different from another by its kinds and amounts of
  1. soil, water, buildings, and humans.
  2. carbon dioxide, oxygen, water, and soil.
  3. animals, oxygen, plant life, and pollution.
  4. sunlight, rainfall, temperature, and species types.
Grade 4 Food Chains and Webs
A giraffe's ecosystem is found throughout Africa. Giraffes eat leaves off of tall trees. They may eat veggies or fruits on occasion. Giraffes will never hunt or eat other animals. Giraffes are
  1. herbivores.
  2. decomposers.
  3. omnivores.
  4. carnivores.
Grade 4 Food Chains and Webs
A lion does not eat veggies or fruit. They do not eat plants or grass. They eat only meat. This kind of animal is a(n)
  1. herbivore.
  2. decomposer.
  3. omnivore.
  4. carnivore.
Grade 4 Conservation and Biodiversity
Which is a cause of habitat destruction?
  1. too many plants
  2. thriving animals
  3. great weather
  4. pollution
Grade 4 Biotic and Abiotic
Which is an abiotic factor in an ecosystem?
  1. ant
  2. decaying plant
  3. earthworm
  4. sand
Grade 4 Food Chains and Webs
Select an example of a decomposer.
  1. bumblebee
  2. fly
  3. mushroom
  4. bear
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