Ecological Relationships Worksheet

Ecological Relationships

Read each question carefully and answer to the best of your ability. Good luck!

1. What is the term for a relationship where one organism benefits and the other is harmed?

2. Which of the following is an example of a producer?

3. A food web shows only one path of energy flow in an ecosystem.

4. Commensalism is a relationship where both organisms benefit.

5. An organism that eats other organisms for energy is called a  .

6. The relationship between a clownfish and a sea anemone, where both benefit, is an example of  .

7. Observe the food web below. Identify one producer, one primary consumer, and one secondary consumer.

Producer:  

Primary Consumer:  

Secondary Consumer:  

Match each ecological relationship with its definition.

12. Describe how a change in the population of one organism in a food web can affect other organisms in the same food web. Provide a specific example.