1. To be successful today…
Pick up warm-up sheet
Pick up graded work (2)
Pull out Hoo Eats Who? Lab
BYOD Color of the day is Phones are in put away in backpacks

2. Warm-Up Thurs 4/5
Which organism is both a secondary and tertiary consumer?
Where does the energy that drives this ecosystem come from?

3. To be successful today…
**If you need to make-up a test, you must do so by TOMORROW AM**
Have Ready:NOTES: Energy in Ecosystems
Add to TOC and set up NOTES: Population Ecology
STAAR Review in Auditorium TODAY!
Population Ecology & Graphing HW due WED 4/12
BYOD Color of the day is Phones are in put away in backpacks

4. Biomagnification

5. Biomagnification Food web magnification
Steady increase in the concentration of harmful substances as the trophic level increases.
Lower trophic levels have smaller concentrations of contaminants than higher levels.

6. Toxic Chemicals

7. Biomagnification of DDT Video

8. Endangered Species Organisms threatened with extinction
Once extinct, the species is gone forever!!
Caused by hunting, disease, pollution, habitat destruction

9. Endangered Species
EX: Ivory-billed woodpecker
Endangered Species List

10. Ten Animals that May Go Extinct Video