Biotic and Abiotic Factors - Science Literacy Article - Questions

1. What is a biotic factor?

• A. A living thing or a thing that is no longer alive in an ecosystem.

• B. A number used to calculate formulas.
• C. A nonliving thing in an ecosystem.
• D. An interaction in an ecosystem.

2. What is an abiotic factor?

• A. A living thing in an ecosystem.
• B. A number used to calculate formulas.
• C. A nonliving thing in an ecosystem.
• D. An interaction in an ecosystem.

3. Which of the following is not biotic?

• A. Wildflowers
• B. Water

• C. Grasses
• D. Palm trees

4. Which of the following is an example of a biotic factor depending on an abiotic factor?

• A. Lions depending on gazelle for food.
• B. Trees depending on fungi to break down dead things in the soil.
• C. Fish depending on water for a habitat and for oxygen.
• D. Rabbits depending on grass for food.

6. The climate in an ecosystem is considered a(n) ____________________ factor.

• abiotic
• biotic

7. A rotting tree log in an ecosystem would be considered a(n) ____________________ factor.

• abiotic
• biotic

8. A bird nest would be considered a(n) ____________________ factor.

• biotic
• abiotic

9. An unusually warm summer causes the population of mice in a prairie to decrease. This is an example of a(n) ____________________ factor affecting a biotic factor.

• biotic
• abiotic

What are the biotic factors in this image?

• sunlight, elephants, and grasses
• sunlight, water,  and air
• elephants, plants, trees 

What are the abiotic factors in this image? 

• water, sunlight, dirt, air
• birds and plants
• water, plants, and birds