Physics Van 3-site Navigational Menu

Physics Van Navigational Menu

Q & A: Plants getting food under water

Learn more physics!

Most recent answer: 10/22/2007
Q:
Do underwater plants produce food the same way as plants above water? ... and do underwater plants need carbondioxide? How do they get it if its underwater?
hillcrest abortion clinic site live abortion video
married woman looking to cheat married men that cheat most women cheat
married men cheat with men why husbands cheat wifes cheat
buy sildenafil 100mg viagra without a doctor prescription viagra 100 mg
levitra pill go tadalafil pill
imitrex 50mg site flagyl 200mg
free viagra samples coupon gallaghermalpractice.com viagra 2016 coupon
coupons for prescriptions new prescription coupons prescription drugs discount cards
viagra coupon card free prescription cards discount viagra free coupon
discount prescriptions coupons pet prescription discount card internet drug coupons
manufacturer coupons for prescription drugs viagra 2016 coupon coupon prescription
can i take escitalopram in the morning can i take escitalopram in the morning can i take escitalopram in the morning
can i take minocycline with birth control read can i take minocycline with birth control
lisinopril and energy drinks lisinopril and energy drinks lisinopril and energy drinks
cialis dosage and cialis dose for copd pts
cialis price online link cialis price history
cialis price online lipseysguns.com cialis price history
cialis coupons from lilly coupon for free cialis coupons for prescriptions
cialis coupon card read cialis coupons from manufacturer
drug discount coupons link discount coupons for prescriptions
claritinekombo warpedfish.co.uk claritine za psa
venlafaxine gewichtstoename read venlafaxine fk
champix alkohol go champix
niacine movidafm.net niacin v hrani
proscar vs propecia for hair loss read proscar pris
proscar vs propecia for hair loss proscar proscar pris
buscopan hund buscopan wirkung buscopan dragees
amlodipine 5 mg amlodipine kat amlodipine accord
voltaren retard link voltaren spray
prescriptions coupons emergent-ventures.com drug prescription card
prescriptions coupons emergent-ventures.com drug prescription card
trental cena link trental nuspojave
vivitrol alcohol what is vivitrol shot narcan challenge

- Nicholas (age 10)
ST Augustines, Kendall Park,NJ
A:
First of all, what is photosynthesis? Well, it's how plants get their food. When you get hungry you probably just sit down and have something to eat. Plants, however, don't have it so easy, they have to make their own food. Plants use water (H2O), carbon dioxide (CO2), and sunlight to make glucose (C6H12O6), also known as sugar. The process follows the chemical equation: 6CO2 + 6H2O+light -> C6H12O6. The light has a special role. Just like your car needs gas in order for it to run, photosynthesis needs some kind of energy source for the reaction to occur, because the product has more energy than the starting materials. That fuel is sunlight. Plants have special little chemical machines based on the light-absorbing molecule chlorophyll to conduct the photosynthesis. Most plants and many bacteria get their food by photosynthesis.

So chemically, the photosynthetic process that land and aquatic plants use to produce food is identical. Both types of plants require carbon dioxide, water, and energy to produce glucose (their food). The only difference between photosynthesis in aquatic and land plants is where in their environments they get these nutrients. Land plants get water from the ground through their extensive root system, carbon dioxide from the air through their stomata (tiny holes in a plant's leaves), and energy from the sun. Aquatic plants get water and carbon dioxide from their aquatic environment and, like the land plants, light energy from the sun. Even though the plant is underwater, it still gets its energy from the sun because sunlight can pass through water.

To understand where aquatic plants find this CO2 think about your favorite kind of pop. Those bubbles that give the pop its fizzy nature come from CO2 that's dissolved in the liquid.


If you would like more information on sunlight passing through water and how CO2 is dissolved in water and taken up by plants, try the following site:

-KH (w small changes by Mike W,)
cheater read wifes who cheat
married woman looking to cheat My wife cheated on me most women cheat
best android spy apps to spy on phones how to spy on an android phone
new prescription coupon areta.se prescription coupon card
prescription drugs coupons click viagra coupon card
coupons for prescriptions floridafriendlyplants.com prescription drugs discount cards
discount prescriptions coupons pet prescription discount card internet drug coupons
acheter viagra pas acheter viagra pas acheter viagra pas
prescription drug coupons codesamples.in drug coupon
cialis coupon card eblogin.com cialis coupons from manufacturer
discount prescription drug cards nationalautocare.com prescription discounts cards
niacine movidafm.net niacin v hrani
fluvoxamine (luvox) blog.tgworkshop.net fluvoxamina bula
buscopan hund buscopan dosierung buscopan dragees

(published on 10/22/2007)

Follow-Up #1: underwater CO2

Q:
As you mentioned that underwater plant get the CO2 from animals ( fish etc). But as we know that in evolution journey, underwater plants came first. So during that era how underwater plants use to get the CO2 ( Since no animal around who is creating the CO2)
cheater what to do when husband cheats wifes who cheat
hillcrest abortion clinic abortive live abortion video
the best android phone how to spy on cell phones phone tracking apps
the best android phone mealmixer.com phone tracking apps
married woman looking to cheat go most women cheat
married men cheat with men women that cheat with married men wifes cheat
free prescription cards nwwebdesigns.net walgreens prints coupon codes
discount card prescription go print cvs
levitra pill mostefaiamine.com tadalafil pill
finasteride zithromax cialis 80mg
online discount pharmacy dotnetblogengine.net coupon for prescription
discount prescriptions coupons printable cialis coupon internet drug coupons
can i take escitalopram in the morning can i take escitalopram in the morning can i take escitalopram in the morning
acheter viagra pas acheter viagra pas acheter viagra pas
viagra bestellen online viagra pillen kruidvat pillen kopen
cialis coupon lilly blog.nvcoin.com transfer prescription coupon
prescription drug coupons cialis coupons from lilly drug coupon
coupons for prescriptions discount prescription coupons drug prescription card
discount prescription drug cards open prescription discounts cards
claritinekombo warpedfish.co.uk claritine za psa
claritinekombo read claritine za psa
seroquel 25 mg read seroquel debljanje
how expensive is an abortion do abortions hurt abortion clinics dallas tx

- vinay Shrivastava (age 32)
Delhi, Delhi, India
A:
The previous answer was misleading, because underwater CO2 doesn't have to come from underwater- some can dissolve in from the atmosphere. That point is now fixed.
At any rate, photosynthesis began among bacteria, before multi-celled plants and animals became prominent.  However, non-photosynthetic bacteria had been around for billions of years first. We can trace when photosynthesis became common because it was the source of most of the atmosphere's O2, so iron deposits from before the photosynthetic period are not oxidized.
So when modern photosynthesis started, CO2 was already around.

Mike W.

Photosynthetic plants also respire -- they create CO2 when they use their energy-storing compounds during metabolic processes.

Tom
walgreens coupons deals blog.mrwade.co.uk walgreens photo print coupons
levaquin pill cephalexin 250mg furosemide pill
free online coupons pharmacy coupon new prescription coupons
online discount pharmacy dotnetblogengine.net coupon for prescription
viagra coupons from manufacturer liberitutti.info drug discount coupons
viagra coupons free softballspa.com drug coupons
can i take minocycline with birth control can i take minocycline with birth control can i take minocycline with birth control
can i take antabuse and naltrexone can i take antabuse and naltrexone can i take antabuse and naltrexone
drug discount coupons blog.suntekusa.com discount coupons for prescriptions
coupons for prescriptions mha.dk drug prescription card
lilly cialis coupon prostudiousa.com coupons prescriptions
voltaren ára go voltaren
arcoxia 30 arcoxia 90 arcoxia wiki
arcoxia 30 go arcoxia wiki
niacine movidafm.net niacin v hrani
cefdinir red stool ski-club-auringen.de cefdinir nedir
renovacija stanovanja renovator renova g
renovacija stanovanja renovator renova g
singulair 4 mg granulat site singulair patient information

(published on 10/22/2007)

Follow-up on this answer.