Ecological Interactions

Biology

Use information from the internet to answer the following questions. This assignment is due at the end of the period today – please e-mail your work to dan.bregar@corvallis.k12.or.us with the subject “per X your name ecological interactions”. (For example, “per 1 David Peters ecological interactions”.)

1. Describe in your OWN WORDS what is meant by the term “ecological interaction”.

For each of the following types of ecological interactions, identify: a) what is the definition of that interaction (use your own words), and b) a real example of real organisms interacting in this way.

2. Predator / Prey

a) What is the definition of a predator / prey interaction (in your own words)?

b) What is an example of a predator / prey interaction?

3. Competition

a) What is the definition of a competitive interaction (in your own words)?

b) What is an example of a competitive interaction?

4. Mutualism

a) What is the definition of a mutualistic relationship (in your own words)?

b) What is an example of mutualistic relationship?

4. Commensalism

a) What is the definition of a commensal relationship (in your own words)?

b) What is an example of commensal relationship?

5. Amensalism

a) What is the definition of an amensal relationship (in your own words)?

b) What is an example of amensal relationship?