The spines of cacti are modified leaves, and as with bud scales, spines have a distinct structure
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The spines of cacti are modified leaves, and as with bud scales, spines have a distinct structure related to their function. Why would the blade of a photosynthetic leaf be useless as a protective device? Cactus spines have no mesophyll parenchyma or vascular tissues. Instead, their mesophyll consists of _______________ ______________ __________________. What chemicals do spine cells have in their walls? Are spine cells parenchyma, collenchyma, or sclerenchyma? After spine cells are mature, do they remain alive? Look at all your answers to this question: Does this modified leaf have much in common with a foliage leaf?
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The blade of a photosynthetic leaf would be useless as a protective device because it is typically t...View the full answer
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