1. Biotic and Abiotic factors in the environment
ECOLOGY

2. Table of Contents Date Assignment Page Number
Assignment
Page Number
Biotic and Abiotic Factors
p. 1

3. How many living and nonliving things can you identify in this photograph?

4. Let’s watch…
Biotic vs. Abiotic

5. Living things depend on the environment.
Ecology is ... how organisms interact with their environment and all the other organisms that live in that environment.
An Ecosystem... describes a particular environment and all the living things that are supported by it.

6. Biotic Factors Living organisms in an ecosystem
ex. fish, microorganisms, plants, etc.

7. Abiotic Factors Non-living factors in an environment
Ex. Sunlight, Carbon Dioxide, water, oxygen

8. Create the following Venn diagram in your notebook
Biotic Abiotic

9. Biotic or Abiotic? Whale Clock Water Fish Paper Glass Aluminum
Wooden Ruler
Sand
Clouds
Corpse
Snail
Steak

10. List the biotic and abiotic factors in the following picture:

11. All biotic and abiotic factors are interrelated
All biotic and abiotic factors are interrelated. In nature, you will find that if one factor is changed or removed, it impacts the availability of other resources within the ecosystem.

12. What might happen?
If all of the rocks ( ___ ) are removed from a desert ecosystem, what would happen to the population of rock dwelling lizards (___)? What would happen to the animals that eat the lizards?

13. What might happen?
A ten mile area of trees ( ___ ) is removed from the tropical rainforest. How will this affect the amount of oxygen ( ___ ) in the ecosystem?

14. A song to help you remember…