Let’s go through each question one by one, step by step.
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Question 1: Which is a biotic factor?
Biotic factors are living things in an ecosystem — like animals, plants, fungi, bacteria.
Abiotic factors are non-living — like sunlight, air, water, mountains.
Looking at the options:
- A. Sunlight → abiotic (non-living)
- B. Fox → living animal →
biotic
- C. Air → abiotic
- D. Mountain → abiotic
✔ Correct answer:
Fox
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Question 2: An individual living thing is a/an _______.
An “individual living thing” means one single organism — like one fox, one tree, one bird.
Options:
- A. organism → yes! That’s the word for one living thing.
- B. habitat → where it lives
- C. population → group of same species
- D. ecosystem → all living + nonliving together
✔ Correct answer:
organism
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Question 3: The place where an organism lives is its _______.
This is the definition of “habitat.” Like a forest for a deer, or ocean for a fish.
Options:
- A. community → group of different populations
- B. ecosystem → includes habitat + organisms + interactions
- C. abiotic → non-living parts
- D. habitat →
✔ correct!
✔ Correct answer:
habitat
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Question 4: All of the nonliving parts of an ecosystem are _______.
Nonliving = abiotic. Living = biotic.
Options:
- A. biotic → no, that’s living
- B. abiotic →
✔ yes!
- C. biography → not related (that’s about someone’s life story!)
- D. biology → study of life
✔ Correct answer:
abiotic
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Question 5: A group of organisms of the same species living in the same area are called a/an _______.
Same species + same area = population. Example: all the rabbits in a meadow.
Options:
- A. ecosystem → too big (includes nonliving stuff)
- B. community → multiple species together
- C. habitat → where they live
- D. population →
✔ correct!
✔ Correct answer:
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 _______.
That’s the full definition of an
ecosystem — includes both biotic and abiotic parts interacting.
Options:
- A. ecosystem →
✔ correct!
- B. population → only one species
(Other options aren’t shown fully, but based on what’s visible, A is right.)
✔ Correct answer:
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 ecosystem worksheet.