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Below are a few major topics for this chapter, listed in random order.

• Carnivorous plants. Hint
• Epiphytes. Hint
• Parasitic plants. Hint
• Ectomycorrhizae. Hint
• Endomycorrhizae. Hint
• Nitrogen fixation. Hint
• Cation exchange in soil. Hint

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Note: this is not a complete list of test topics.