← 2.3 Gaseous Exchange and Respiration
Structure and function of stomata
Biology · Grade 10 · about 40 minutes
Guard cells, the pore, and why only those epidermal cells have chloroplasts.
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- 6 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
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Other lessons in this sub-strand
- Gaseous exchange in plants
- Respiration in plants
- Why plants exchange gases
- The leaf as a gas-exchange organ
- Structure and function of stomata
- Factors that open and close stomata
- Where stomata are found
- Counting stomata on an epidermal peel
- Lenticels on woody stems and roots
- Gaseous exchange in roots
- Aerobic respiration in plant cells
- Mitochondria in plant cells
- ATP as the energy currency of plant cells
- How plants use energy from respiration
- The compensation point
- Anaerobic respiration and fermentation
- Investigating CO2 from germinating seeds
- Heat and oxygen use by germinating seeds
- Factors affecting the rate of respiration
- Brewing, baking and silage in Kenya
- Waterlogging, rice and aerenchyma
- Why gaseous exchange in plants matters