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Plant Power: Plant Power: An introduction to An introduction to photosynthesis, photosynthesis, pollination, and pollination, and

germinationgerminationHeath E. CapelloHeath E. Capello

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University of MississippiUniversity of Mississippi

August 2006August 2006

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PhotosynthesisPhotosynthesis

The way plants make foodThe way plants make food Plants needPlants need

Carbon dioxideCarbon dioxide WaterWater SunlightSunlight

Plants makePlants make SugarSugar OxygenOxygen

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PhotosynthesisPhotosynthesis

6 Carbon dioxides + 6 Waters + 6 Carbon dioxides + 6 Waters + Sunlight 1 Sugar + 6 OxygenSunlight 1 Sugar + 6 Oxygen

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PhotosynthesisPhotosynthesis

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PhotosynthesisPhotosynthesis

Stomata - holes in leaves for gas exchange

Carbon dioxide Oxygen

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PollinationPollination

When male pollen fertilizes a female When male pollen fertilizes a female ovuleovule

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PollinationPollination Pollen grains

Anther

Filament

1.

2.

3.

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PollinationPollination Pollen grains

Stigma

1.

2.

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PollinationPollination

Style

Pollen tube

Ovary

Ovule

1.

2.

3.

4.

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PollinationPollination

Fertilization

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PollinationPollination

Activity Break!Activity Break!

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PollinationPollination

MethodsMethods WindWind WaterWater

On the surfaceOn the surface UnderwaterUnderwater

AnimalAnimal InsectInsect BirdBird

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GerminationGermination

The first stages of growth from a The first stages of growth from a seedseed

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GerminationGermination

Is th

is a m

onocot

or a d

icot?

Hint!!

Hint!!

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GerminationGermination

Grass

Is th

is a m

onocot

or a d

icot?

Hint!!

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GerminationGermination

Is th

is a m

onocot

or a d

icot?

Hint!!

Hint!!

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Finishing upFinishing up

What did you learn today?What did you learn today? What questions do you have?What questions do you have?

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SourcesSources Cedar Creek Natural History Area. Birds of Cedar Creek. Accessed Cedar Creek Natural History Area. Birds of Cedar Creek. Accessed

28 July 2006. < http://cedarcreek.umn.edu/birds/t46.html>. 28 July 2006. < http://cedarcreek.umn.edu/birds/t46.html>. Oregon State University. 2000. Grass growth and regrowth for Oregon State University. 2000. Grass growth and regrowth for

improved management. Accessed 28 July 2006. improved management. Accessed 28 July 2006. <http://forages.oregonstate.edu/projects/regrowth/print-<http://forages.oregonstate.edu/projects/regrowth/print-section.cfm?title=Developmental+Phases>.section.cfm?title=Developmental+Phases>.

Patterson, S. 2005. Honey bee. Accessed 28 July 2006. Patterson, S. 2005. Honey bee. Accessed 28 July 2006. <http://bugguide.net/node/view/23052>.<http://bugguide.net/node/view/23052>.

Photosynthesis picture. Accessed 27 July 2006. Photosynthesis picture. Accessed 27 July 2006. <http://static.howstuffworks.com/gif/irrigation-<http://static.howstuffworks.com/gif/irrigation-photosynthesis.gif>.photosynthesis.gif>.

Pollination pictures. Accessed 27 July 2006. Pollination pictures. Accessed 27 July 2006. <http://www.explorelearning.com/index.cfm?<http://www.explorelearning.com/index.cfm?CFID=507010&CFTOKEN=32161293&ResourceID=451&method=CFID=507010&CFTOKEN=32161293&ResourceID=451&method=cResource.dspView>.cResource.dspView>.

Raven, P.H., R.F. Evert, and S.E. Eichhorn. 1999. Raven, P.H., R.F. Evert, and S.E. Eichhorn. 1999. Biology of PlantsBiology of Plants. . W.H. Freeman and Company.W.H. Freeman and Company.

Wikipedia contributors. 2006.Stoma. Accessed 27 July 2006. Wikipedia contributors. 2006.Stoma. Accessed 27 July 2006. <http://en.wikipedia.org/w/index.php?<http://en.wikipedia.org/w/index.php?title=Stoma&oldid=65743936>. title=Stoma&oldid=65743936>.