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The outer layer of the skin covering the exterior body surface of vertebrates

Vascular Tissue

Plant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body.


The fertilized egg; it enters a 2-week period of rapid cell division and develops into an embryo

Nonvascular Plant

Plant that absorbs water and other substances directly through its cell walls.

Vascular Plant

Plant with tube-like structures that move minerals, water, and other substances throughout the plant.


The multicellular diploid form in organisms undergoing alternation of generations that results from a union of gametes and that meiotically produces haploid spores that grow into the gametophyte generation.


The gamete-producing individual or phase in the life cycle of a plant having alternation of generations


Plants of the class Gymnospermae having seeds not enclosed in an ovary


any cone-shaped artifact


a small or immature ovum


transfer of pollen from the anther to the stigma of a plant

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