Homework Vocab for Chapter 8

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Homework Vocab for Chapter 8

• Photosynthesis
• Chapter 8

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Autotrophs Heterotrophs

• Autotrophs
• Organisms which make their own food

• Heterotrophs
• Organisms which can not make their own food

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Adenosine Triphosphate
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ATP and Energy
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ATP and Glucose
ATP Glucose
Short Term Long Term Storage
Transfers energy very quickly Takes longer to get energy out
Cant store energy very long. (breaks down to ADP and loses energy) Can store energy very well. 1 molecule of glucose can hold 90 times more energy than ATP.
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Jan Van HelmontsExperiment (1600s)

• Wanted to find out if plants grew by taking
  nutrients out of soil.
• After 5 years
• Plant Mass 75kg
• Soil Mass unchanged
• Van Helmont accounts for the Hydrate
  carbohydrate

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Joseph PriestleysExperiment (Early 1700s)

• Plants release oxygen

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Jan IngenhouszsExperiment

• Showed that the effects in Priestleys experiment
  only occurred when the plant was exposed to light.