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Fourth Grade (Grade 4) Biotic and Abiotic Questions

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Grade 4 Biotic and Abiotic
Which of the following best describes the types of things make up an ecosystem?
  1. All living and nonliving things
  2. Only living things
  3. Humans and animals
  4. Plants only
Grade 4 Biotic and Abiotic
An environment's biotic and abiotic factors interact in an             ecosystem            .
Grade 4 Biotic and Abiotic
                  Abiotic factors                   are the nonliving things in an environment.
Grade 4 Biotic and Abiotic
Which of the following are examples of non-living things?
  1. chair, desk, window, dog
  2. dog, cat, frog, tree, wood
  3. plastic, cup, window, rock
  4. dinosaur, paper, pencil
Grade 4 Biotic and Abiotic
Which of the following are nonliving things? There may be more than one answer.
  1. rock
  2. sand
  3. tree
  4. baby
  5. canoe
  6. water
  7. insect
  8. factory
Grade 4 Biotic and Abiotic
Which of these is an abiotic factor in an ecosystem?
  1. ant
  2. decaying plant
  3. earthworm
  4. sand
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 Biotic and Abiotic
Study the list below. Which of these should replace the question mark?

Biotic factors
pine trees
squirrels
bacteria

Abiotic factors
light
water
?
  1. soil
  2. ferns
  3. worms
  4. cacti
Grade 4 Biotic and Abiotic
What are the non-living parts of an ecosystem?
  1. air, water, soil, climate, and landforms
  2. animals, plants, fungi, protist, and bacteria
Grade 4 Biotic and Abiotic
A natural event (fire, earthquake, flood, volcanic eruption, hurricane, tornado, or other severe storm) might have a positive impact on living things.
  1. True
  2. False
Grade 4 Biotic and Abiotic
What are the living parts of an ecosystem?
  1. air, water, soil, climate, and landforms
  2. animals, plants, fungi, protist, and bacteria
Grade 4 Biotic and Abiotic
A living thing will survive                             .
  1. only where its needs are met
  2. only in the desert
  3. only in the shade
  4. only in a polar ecosystem
Grade 4 Biotic and Abiotic
Name two things every ecosystem needs to have.
  1. living and non-living things
  2. food and water
  3. trees and air
Grade 4 Biotic and Abiotic
The living parts of an ecosystem are          people         ,                other animals                , and          plants         .
Grade 4 Biotic and Abiotic
         Plants          and           animals           are living parts of an ecosystem.
Grade 4 Biotic and Abiotic
Each living thing is an organism.
  1. True
  2. False
Grade 4 Biotic and Abiotic
Upon what do both plants and animals depend?
  1. sand
  2. shade
  3. forests
  4. sunlight
Grade 4 Biotic and Abiotic
The nonliving parts of an ecosystem are            sunlight           ,      air      ,        water        ,        soil       .
Grade 4 Biotic and Abiotic
How do abiotic factors describe an ecosystem?
  1. They describe living things.
  2. They describe the human impact.
  3. They give many types of information: soil, weather, or land description.
Grade 4 Biotic and Abiotic
What is the term that means to continue to live or exist?
  1. Survive
  2. Organism
  3. Thrive
  4. Annotate
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