SOLUTION: Abiotic vs Biotic Factors Worksheet - Studypool - Free Printable
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Step-by-step solution for: SOLUTION: Abiotic vs Biotic Factors Worksheet - Studypool
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Step-by-step solution for: SOLUTION: Abiotic vs Biotic Factors Worksheet - Studypool
The image you've uploaded is a completed worksheet titled "Abiotic vs Biotic Factors", which teaches students to distinguish between abiotic (non-living) and biotic (living) components of an ecosystem. Below is a clear explanation of the content, answers, and reasoning for each section.
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> Answer: *Non-living things in an environment.*
✔ Explanation:
Abiotic factors are physical and chemical elements in an ecosystem that are not alive but affect living organisms. Examples include sunlight, water, temperature, soil, air, and rocks.
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> Answer: *Living things in an environment.*
✔ Explanation:
Biotic factors are all the living organisms in an ecosystem — such as plants, animals, fungi, bacteria, and humans — that interact with each other and their environment.
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Here’s a breakdown of the labeled items:
| Item | Label | Reason |
|------|-------|--------|
| 3. white | A | Color is not a living thing; it's a property of non-living matter. |
| 4. clock | A | Man-made object, not alive. |
| 5. water | A | Non-living substance essential for life. |
| 6. fish | B | Living organism. |
| 7. paper | A | Made from wood pulp, but not alive. |
| 8. glass | A | Inorganic material. |
| 9. aluminum | A | Metal, non-living. |
| 10. metal ruler | A | Object made of metal, not alive. |
| 11. sand | A | Composed of mineral particles. |
| 12. clouds | A | Formed from water vapor, not living. |
| 13. coal | A | Fossil fuel, formed from ancient organic matter but now non-living. |
| 14. stick | A | Dead plant material; no longer living. |
| 15. bread | A | Food made from grains; not alive. |
| 16. plant | B | Living organism. |
| 17. pipe | A | Man-made structure. |
| 18. wood | A | Derived from trees, but dead wood is non-living. |
| 19. gold | A | Chemical element, non-living. |
| 20. plastic | A | Synthetic material. |
| 21. grapes | B | Living fruit (part of a plant), but note: once picked, they're no longer growing. However, in ecological terms, grapes are considered biotic because they come from a living plant and are part of food chains. |
| 22. air | A | Mixture of gases, non-living. |
> ✔ Note: Some items like wood, bread, and grapes might seem tricky, but in ecology:
> - Wood is abiotic if it's dead.
> - Grapes are biotic because they are produced by living plants and are part of the food web.
> - Bread is abiotic since it's processed food.
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> All of the lizards (B) are removed from a desert ecosystem. What would happen to the population of rock-dwelling lizards (B) and in turn the animals which eat them?
> Answer: *Lizards would eventually die off because their resource is gone.*
✘ This answer appears incorrect or confusing due to wording.
Let’s clarify:
- If all lizards are removed, then rock-dwelling lizards (a type of lizard) are already gone.
- The predators (like birds, snakes, etc.) that eat lizards will lose a food source → their populations may decline due to lack of food.
✔ Corrected Answer:
> Removing lizards would cause a decrease in predator populations that rely on them for food. Over time, those predators may starve or migrate unless they adapt to other food sources.
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> A two-mile area of trees (B) is removed from the tropical rainforest. How will this affect the amount of water (A) and the amount of oxygen (A) in the area?
> Answer: *Oxygen will be hugely affected; it will greatly decrease. Rainfall patterns will be affected causing droughts or flooding. Animals will also be affected because trees serve as homes, source of oxygen, etc. Trees are huge resources for many things.*
✔ This is well-reasoned and accurate.
🔹 Explanation:
- Trees absorb CO₂ and release O₂ via photosynthesis → removing them reduces oxygen production.
- Trees help regulate water cycles by absorbing rainfall, releasing moisture into the air (transpiration), and preventing erosion.
- Deforestation leads to reduced rainfall, increased runoff, and loss of habitat.
So yes, both water and oxygen levels are negatively impacted.
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#### 🌍 Abiotic Factors (Non-living):
- Water
- Air
- Rocks
- Mountain
- Snow on mountain
- Wind
- Clouds
- Sunlight
- Temperature
- Oxygen
✔ These are all environmental conditions or physical elements.
#### 🐾 Biotic Factors (Living things):
- Grass
- Moose
- Tree
- Bird
- Bear
- Fish
- Goose
- Otter
- Flowers
- Eagle
- Beetle
- Grouse
- Wolf
- Butterfly
✔ All these are living organisms shown in the scene.
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This worksheet helps students understand how ecosystems are made up of both living (biotic) and non-living (abiotic) components that interact.
- Abiotic factors shape the environment (e.g., climate, terrain).
- Biotic factors depend on abiotic factors and interact with each other (e.g., food chains).
👉 The correct classification depends on whether something is alive or not — even if it comes from a living source.
---
If you need this formatted as a printable PDF or want to create a similar worksheet, let me know!
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🔹 1. What is the definition of an abiotic factor?
> Answer: *Non-living things in an environment.*
✔ Explanation:
Abiotic factors are physical and chemical elements in an ecosystem that are not alive but affect living organisms. Examples include sunlight, water, temperature, soil, air, and rocks.
---
🔹 2. What is the definition of a biotic factor?
> Answer: *Living things in an environment.*
✔ Explanation:
Biotic factors are all the living organisms in an ecosystem — such as plants, animals, fungi, bacteria, and humans — that interact with each other and their environment.
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🔹 Label the following items as either abiotic (A) or biotic (B):
Here’s a breakdown of the labeled items:
| Item | Label | Reason |
|------|-------|--------|
| 3. white | A | Color is not a living thing; it's a property of non-living matter. |
| 4. clock | A | Man-made object, not alive. |
| 5. water | A | Non-living substance essential for life. |
| 6. fish | B | Living organism. |
| 7. paper | A | Made from wood pulp, but not alive. |
| 8. glass | A | Inorganic material. |
| 9. aluminum | A | Metal, non-living. |
| 10. metal ruler | A | Object made of metal, not alive. |
| 11. sand | A | Composed of mineral particles. |
| 12. clouds | A | Formed from water vapor, not living. |
| 13. coal | A | Fossil fuel, formed from ancient organic matter but now non-living. |
| 14. stick | A | Dead plant material; no longer living. |
| 15. bread | A | Food made from grains; not alive. |
| 16. plant | B | Living organism. |
| 17. pipe | A | Man-made structure. |
| 18. wood | A | Derived from trees, but dead wood is non-living. |
| 19. gold | A | Chemical element, non-living. |
| 20. plastic | A | Synthetic material. |
| 21. grapes | B | Living fruit (part of a plant), but note: once picked, they're no longer growing. However, in ecological terms, grapes are considered biotic because they come from a living plant and are part of food chains. |
| 22. air | A | Mixture of gases, non-living. |
> ✔ Note: Some items like wood, bread, and grapes might seem tricky, but in ecology:
> - Wood is abiotic if it's dead.
> - Grapes are biotic because they are produced by living plants and are part of the food web.
> - Bread is abiotic since it's processed food.
---
🔹 Question 23:
> All of the lizards (B) are removed from a desert ecosystem. What would happen to the population of rock-dwelling lizards (B) and in turn the animals which eat them?
> Answer: *Lizards would eventually die off because their resource is gone.*
✘ This answer appears incorrect or confusing due to wording.
Let’s clarify:
- If all lizards are removed, then rock-dwelling lizards (a type of lizard) are already gone.
- The predators (like birds, snakes, etc.) that eat lizards will lose a food source → their populations may decline due to lack of food.
✔ Corrected Answer:
> Removing lizards would cause a decrease in predator populations that rely on them for food. Over time, those predators may starve or migrate unless they adapt to other food sources.
---
🔹 Question 24:
> A two-mile area of trees (B) is removed from the tropical rainforest. How will this affect the amount of water (A) and the amount of oxygen (A) in the area?
> Answer: *Oxygen will be hugely affected; it will greatly decrease. Rainfall patterns will be affected causing droughts or flooding. Animals will also be affected because trees serve as homes, source of oxygen, etc. Trees are huge resources for many things.*
✔ This is well-reasoned and accurate.
🔹 Explanation:
- Trees absorb CO₂ and release O₂ via photosynthesis → removing them reduces oxygen production.
- Trees help regulate water cycles by absorbing rainfall, releasing moisture into the air (transpiration), and preventing erosion.
- Deforestation leads to reduced rainfall, increased runoff, and loss of habitat.
So yes, both water and oxygen levels are negatively impacted.
---
🔹 Question 25: List the abiotic and biotic factors in the image below
#### 🌍 Abiotic Factors (Non-living):
- Water
- Air
- Rocks
- Mountain
- Snow on mountain
- Wind
- Clouds
- Sunlight
- Temperature
- Oxygen
✔ These are all environmental conditions or physical elements.
#### 🐾 Biotic Factors (Living things):
- Grass
- Moose
- Tree
- Bird
- Bear
- Fish
- Goose
- Otter
- Flowers
- Eagle
- Beetle
- Grouse
- Wolf
- Butterfly
✔ All these are living organisms shown in the scene.
---
✔ Final Summary:
This worksheet helps students understand how ecosystems are made up of both living (biotic) and non-living (abiotic) components that interact.
- Abiotic factors shape the environment (e.g., climate, terrain).
- Biotic factors depend on abiotic factors and interact with each other (e.g., food chains).
👉 The correct classification depends on whether something is alive or not — even if it comes from a living source.
---
If you need this formatted as a printable PDF or want to create a similar worksheet, let me know!
Parent Tip: Review the logic above to help your child master the concept of abiotic and biotic factors worksheet.
