You will need access to the following article: "Lab ecosystems show signs of evolving"

PART I: SHORT ANSWER

Directions: Please answer each of the following questions. Please ensure that your responses are at least 3 to 5 sentences in length.

1. List three abiotic factors in the environment of a fish.

2. Describe two ways that decomposers differ from herbivores.

3. Why is a food web better than a food chain as a way to describe a community?

4. Describe two situations in which competition may involve combat and two that do not involve combat

5. List three introduced species that have become pests, and explain why they became pests.

6. List four kinds of limiting factors that help set the carrying capacity for a species.

7. Describe two situations that can lead to a clumped distribution of organisms.

8. As the human population continues to grow, what should we expect to happen to other species?

9. What forces will ultimately lead to the control of human population growth?

10. Why must people who live in countries that are not able to produce surplus food eat grains?

PART II: ESSAY

Directions: Write a 1 to 2 page, double-spaced paper in 12 pt. font in response to the following question. Find one article using AAU's LIRN (library) to use as support. Please use APA format. Please visit the Academic Resource Center for an effective guide on how use LIRN and for concise APA guidelines.

The Ecosystem

Read the article titled, "Lab ecosystems show signs of evolving." Provide your thoughts on how we could make our ecosystem better. How is our ecosystem affected today? Explain what was intriguing to you after reading this article.