Let’s go through each question one by one and pick the correct answer based on basic ecology concepts.
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Question 1: Which is a biotic factor?
Biotic factors are living things in an ecosystem.
- Sunlight → nonliving (abiotic)
- Fox → living →
biotic ✔
- Air → nonliving (abiotic)
- Mountain → nonliving (abiotic)
✔ Correct answer:
B. Fox
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Question 2: An individual living thing is a/an ______.
- Organism → yes, that’s what we call one living thing
✔
- Habitat → where it lives
- Population → group of same species
- Ecosystem → all living + nonliving together
✔ Correct answer:
A. organism
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Question 3: The place where an organism lives is its ______.
- Community → group of different populations
- Ecosystem → bigger system with living and nonliving
- Abiotic → nonliving parts
- Habitat → the specific place an organism lives
✔
✔ Correct answer:
D. habitat
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Question 4: All of the nonliving parts of an ecosystem are ______.
- Biotic → living
- Abiotic → nonliving
✔
- Biography → story of someone’s life (not related)
- Biology → study of life
✔ Correct answer:
B. abiotic
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Question 5: A group of organisms of the same species living in the same area are called a/an ______.
- Ecosystem → too big, includes many species and environment
- Community → different species together
- Habitat → place they live
- Population → same species in same area
✔
✔ Correct answer:
D. population
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Question 6: All of the living and nonliving things in an area that interact with each other are called a/an ______.
- Ecosystem → exactly this definition
✔
- Population → only one species
- Community → only living things, no nonliving
- Habitat → just the place, not the interactions
✔ Correct answer:
A. ecosystem
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Final Answer:
1. B
2. A
3. D
4. B
5. D
6. A
Parent Tip: Review the logic above to help your child master the concept of ecosystems worksheet 4th grade.
