Edexcel IGCSE Biology · Spec 2.70
Plant Excretion Through Stomata
Covers identify oxygen and carbon dioxide as plant waste products, Link each waste product to a metabolic process and Explain how gases leave through stomata.
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Plant Excretion Through Stomata
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Spec 2.70
What you need to know
- Identify oxygen and carbon dioxide as plant waste products
- Link each waste product to a metabolic process
- Explain how gases leave through stomata
Active recall
Quick check
Answer each question before opening the answer.
Which process produces carbon dioxide in plants?
Respiration
Which process produces oxygen?
Photosynthesis
How do these gases usually leave a leaf?
They diffuse through the stomata
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