As Much as 90% of Forest Trees Require Mycorrhizae for Growth

question 69

Multiple Choice

As much as 90% of forest trees require mycorrhizae for growth, suggesting that:

• A) forest soils are rich in phosphorous
• B) mycorrhizae are found everywhere
• C) the plant-mycorrhizal association is ammensalic
• D) mycorrhizae significantly increase the uptake of nutrients
• E) forest trees do not have deep roots

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