Bio 130 – 6 | Biology homework help

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?

 

11.   Give a specific example of each of the three symbiotic relationships that occur in your area.  List the species involved, who benefits from this relationship and describe this interaction.

 

12. Explain why some plants and animals are found in certain places in the word.  How is climate change affecting our lives?

 

PART II: ESSAY

 

Directions: Write a 1 to 2 page, double-spaced paper in 12 pt. font in response to the following question.  Please use APA format. 

 

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.