1/23/15

This weekend's homework is to complete Assignment 46, continue reading Chapter 18, and to... STUDY!  Review your notes, old quizzes, check-ins, and review sheets, this website :-), etc. and come ready with questions on Monday.

Assignment 46 Wetlands Comprehension and Review Questions

Answer all of the following questions to the best of your ability in complete sentences. Explain yourself and use vocabulary and examples in order to support your answers.

1. Wetlands were once considered to be wastelands. Over 50 percent of the United States original wetlands have been destroyed.

a. Describe two characteristics that are used by scientists to define an area as a wetland.

b. Wetlands are highly productive ecosystems with complex food webs.

i. Complete the diagram of the wetland food web below by drawing arrows that show the direction of energy flow.

Fish		Snail
Algae		Eagle

ii. Explain why it takes many hectares of wetland to support a pair of eagles.

c. Describe two economic benefits (other than those related to water quality) that wetlands provide.

d. Describe one specific human activity that degrades wetlands.

e. Describe two ways that people can reduce or prevent damage to wetlands.

We also generated notes about the characteristics, roles of, and threats to wetlands. Below are guiding questions and resources.

What is a wetland?

What are some different types of wetlands?

Where can we find wetlands?

Why are wetlands important? What benefits do they provide?

What problems do wetlands face? What can we do to mitigate those problems?

This link (and the ones within it - which are the readings from class) should be helpful. 
Also, this link discusses threats to wetlands.