1. Massive Life

2. Humans

3. Average Human Weight
World average of both men and women
????

4. Average Human Weight
~ 137 lbs

5. Average Human Weight
~ 137 lbs

6. Heaviest Bird
????

7. Heaviest Bird
Ostrich
~ 280 lbs

8. Heaviest Land Animal
????

9. Heaviest Land Animal
African Elephant ~ 16,500 lbs

10. Most Massive Sea Dweller
????

11. Most Massive Sea Dweller
Blue Whale ~ 400,000 lbs

12. Let’s Get Some Perspective
400,000 lbs is pretty big
How big is it really?

13. How many J. Biebs would equal the mass of an Ostrich?
Best Guess

14. How many J. Biebs would equal the mass of an Ostrich?
J. Biebs = 137 lbs
Ostrich = 280 lbs

15. How many J. Biebs would equal the mass of an Ostrich?

16. How many Ostriches equal an Elephant?

17. How many Ostriches equal an Elephant?
Ostrich = 280 lbs
African Elephant = 16,500 lbs

18. 59 Ostriches = 1 Elephant

19. How many Elephants per Whale?

20. How many Elephants per Whale?
African Elephant = 16,500 lbs
Blue Whale = 400,000 lbs

21. 24 Elephants = 1 Blue Whale

22. 3,000 Humans = 1 Whale

23. Most Massive Life Form on Earth
????

24. Not the Blue Whale

25. Most Massive Life Form on Earth
????

26. Redwood Tree

27. Redwood Tree
4,000,000 lbs

28. Red Wood Tree
Enough timber to build 40 5-room homes

29. Red Wood Tree

30. 10 Blue Whales = 1 Redwood

31. Fill Martin Stadium = 1 Redwood

32. Redwood Seed & Fully Grown Tree

33. So…

34. So…
Where does the mass of a tree come from?

36. PHOTOSYNTHESIS
Autotrophic Process: Plants and plant-like organisms make their energy (glucose) from sunlight.
Stored as carbohydrate in their bodies.
6CO2 + 6H2O + sunlight  C6H12O6 + 6O2

37. Why is Photosynthesis important?
Makes organic molecules (glucose) out of inorganic materials (carbon dioxide and water).
It begins all food chains/webs. Thus all life is supported by this process.
It also makes oxygen gas!!

38. Photosynthesis-starts to ecological food webs!

39. Photo-synthesis
means "putting together with light."
Plants use sunlight to turn water and carbon dioxide into glucose. Glucose is a kind of sugar.
Plants use glucose as food for energy and as a building block for growing.
Autotrophs make glucose and heterotrophs are consumers of it.

40. How do we know that plants make carbohydrates from just carbon dioxide water and light energy?
Experiments!
For example:
Jan Baptisa van Helmont (1648) planted a willow branch weighing 5 pounds into 200 pounds of soil and then after 4 years the tree weighed 169 lbs. and the soil was still nearly 200 lbs.

41. Photosynthesis 6CO2 + 6H2O + energy  C6H12O6 + 6O2
Carbon dioxide + water glucose + oxygen
sunlight
absorbed by chlorophyll
6CO2 + 6H2O + energy  C6H12O6 + 6O2