Introduced Species: Harmless or Armed Invaders?
Subjects: Environmental science, life science, language arts/writing
Lesson Summary: Students will learn what biodiversity is, what causes the loss of biodiversity, what the status of biodiversity is, and what they can do to help preserve biodiversity.
Objectives:The students will be able to:
- Define biodiversity
- List the three levels at which biodiversity exists
- List several ways that biodiversity helps them
- Explain what a keystone species is
- List the five causes of loss of biodiversity
- List several things they can do to help preserve biodiversity
Materials:Each student will need the following:
- Computer with internet access
- Pen or pencil
- Copy of the biodiversity database activity
- Copy of the biodiversity writing assignment
- Copy of the writing instruction sheet, editing form, and FCAT rubric
- Print out a copy of the biodiversity database activity and the biodiversity writing assignment. Photocopy enough for everyone in your class.
- Make sure the computers are ready for the students so there is no lost time. Put the Linking home page up on each computer: http://purl.fcla.edu/fcla/lfnh.
- Make sure there are enough copies of the three components of the writing lesson. You can print out and photocopy new ones or reuse the old ones.
- The students start at the "Linking" home page, click on "Curriculum Materials," click on "The Biodiversity Dilemma" and then click on "Biodiversity Overview."
- Ask them to read the biodiversity overview. (20-30 minutes)
- When they have finished reading, pass out the biodiversity database activity and ask the students to complete it. (20-30 minutes)
- Pass out the biodiversity writing assignment and ask the students to complete it. (30 minutes)
- Have the students get out the writing instruction sheet, the editing form, and the FCAT rubric. Using these forms, they should edit their OWN paper. (20-30 minutes)
Total Time estimates:
Two 50-minute class periods