In club mosses (lycopsida), microphylls are evolved from:
Correct answer: D. Infilling of simple tissues between lateral branches
- A. A short stem bearing side branches
- B. Small projecting extensions of stem tissue
- C. Side branches dividing in the same spatial plane
- D. Infilling of simple tissues between lateral branches
Explanation
Microphylls in club mosses (lycopsida) evolved from the infilling of simple tissues between lateral branches. This process led to the formation of small, leaf-like structures that are characteristic of microphylls. So option D is correct.
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