Acon kroph Explain the distinction between a node and an internode 15.9 Phylum M

Question

Acon kroph Explain the distinction between a node and an internode 15.9 Phylum Moniliophyta, Subphylum Pterophyta: Ferms 18. While rockelimbing you encounter the plant shown in the photo orn the right growing out of a crevice. a. Is this the sporophyte or the gametophyte? b. What special name is given to the leaf of this plant? (0.5x). water to very dry areas. Nonetheless, all ferns 19. The environments in which ferns grow range from standing are dependent upon free water in order to complete their life cycles. Explain why this is the case.

Explanation / Answer

Difference between node and internode

18. a. The photo shown is a sporophyte of a fern. In ferns, sporophyte generation is green and dominant.

18. b. The leaf of this plant is called fronds.

19. In ferns, the male sex organ called antheridium produces flagellated sperms. These sperms require water to swim and reach the eggs produced by the female sex organ archegonium. Thus, ferns need water to complete their life cycle.

Node Internode The point where the leaf is attached is called the node The region which is found between two nodes is called an internode This region shows the presence of scars, buds, leaves or branches This region is devoid of scars, buds, leaves or branches Nodes display higher cellular activity This region is characterized by the increased length of the plant. This is mediated by the cells present in the internode

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.