CBSE Class 10 Answered
awefully awesome question
Asked by | 14 Feb, 2009, 03:00: PM
Expert Answer
Spine of Cactus and thorn of Bougainvillea are analogous structures. This is because their basic origin is different. Opuntia i.e. cactus spines are leaf modifications whereas thorns of Bougainvillea are stem modifications.
Answered by | 19 Feb, 2009, 07:13: PM
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