ΣX / N Is the Formula for the __________

question 18

Short Answer

ΣX / N is the formula for the __________.

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Definitions:

Fern

Member of a group of land plants that have large fronds; in the sexual life cycle, the independent gametophyte produces flagellated sperm, and the vascular sporophyte produces windblown spores.

Prothallus

The gametophyte stage of ferns and some other non-seed vascular plants, typically small, green, heart-shaped, and bears the reproductive organs.

Gametophyte

The sexual form (haploid phase) in the life cycle of plants and algae that produces gametes through mitosis.

Ferns

Non-flowering vascular plants that reproduce via spores, possessing large, divided leaves.