1. Let’s say: YOU WORK IN A GOLD MINE.

2. Let’s say: YOU WORK IN A GOLD MINE.
$$$$$$$
Deep underground.

3. And the mine EXPLODES!

4. SOME LUCKY ESCAPE!

5. Many miners are trapped underground!

6. Do you rush right down and save them?

7. How do you know if it’s safe to go down in the mine?

8. SEND IN THE CANARY!

9. The canary in the coal mine is a type of BIO-INDICATOR!
Take our friendly bio-indicator…
toss one down the mine.

10. BIO = _______

11. BIO = LIFE

12. When the canary flies into the mine,

13. When the canary flies down the mine,
if the canary survives, it’s safe to go into the mine!

14. When the canary flies down the mine,
if the canary survives, it’s safe to go into the mine!
The canary INDICATES it’s SAFE to enter!

15. A live canary is a BIO-INDICATOR that tells us it’s safe to enter this environment.

16. If a bio-indicator dies, it isn’t safe!
Canary doesn’t make it.

17. If a bio-indicator dies, it isn’t safe!
Canary doesn’t make it.
Neither did the miners!

18. refer to slides in KT foldable

19. Who has the BEST BIOINDICATORS in THEIR water?

20. Say you just bought a nice home somewhere on Lake Norman.
But what if your lake water is bad? That’d be awful & expensive ($$$).
You could test for what…

21. Sensitive critters can TELL you! BIO-INDICATORS
The MORE sensitive or restricted a species is to its environment, the better bio-indicator it is!
That’s a bio-indicator!

22. Sensitive critters can warn you! BIO-INDICATORS
Small living things are more sensitive to our environments & can tell us when our water, food, land or air is not safe.
That’s a bio-indicator!

23. IT’S DRRRRAAFT DAY!!!
SOWBUG