1.1.25

Plant Gas Exchange

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Gas Exchange in Plants

Plants need to take in carbon dioxide so that they can photosynthesise. They also produce excess (too much) oxygen in the same process that must be released.

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Stomata

  • Gas exchange is mainly done through the lower surface of the leaf via small openings called stomata.
  • Each stomata can be closed or opened depending on the two guard cells which flank it.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Disciplinary Knowledge

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