Wednesday, October 17, 2007

"Identifying Limiting Factors"

Bellwork:
1) Something my body does to produce more biomass is _________________.
2) The amount of biomass ___________ from the producer to the consumer trophic levels.
3) A population of deer would leave an area because ____________________.

- Add limiting factor to glossary (workbook pages 33-35)
Limiting Factor: Anything biotic or abiotic that limits the number of individuals that survive and reproduce
- Create 4-box chart on page ?? in workbook
1st box for examples of limiting factors, 2nd box for a drawing of an example of a limiting factor ( ex. of predation: draw a deer being eaten by a wolf), 3rd box for description of what a limiting factor does, 4th box for conclusions at end of class ("One thing I will remember about today's lesson is..."
- Complete milkweed bug computer simulation, "Milkweed-Bugs Limited" to see which limiting factors affect how big the bug population gets ==> record results on worksheet page 59 and answer questions 1 and 2
- As a class, begin reading "Limiting Factors" in FOSS Populations and Ecosystems Resources book, pages 22-24
- Complete conclusions in 4-box before class is over