Seed plant - Wikipedia
A seed plant or spermatophyte (lit. 'seed plant'; from Ancient Greek σπέρματος (spérmatos) 'seed' and φυτόν (phytón) 'plant'), also known as a phanerogam (taxon Phanerogamae) or a …
Seed plant | Definition, Examples, & Taxonomy | Britannica
seed plant, any of the more than 300,000 species of seed-bearing vascular plants. Although the taxonomic division Spermatophyta is no longer accepted, the term spermatophyte is used to …
Seed | Form, Function, Dispersal, & Germination | Britannica
4 days ago · seed, the characteristic reproductive body of both angiosperms (flowering plants) and gymnosperms (e.g., conifers, cycads, and ginkgos). Essentially, a seed consists of a …
Seed Plants: Gymnosperms – Introductory Biology: Evolutionary …
Gymnosperms (“naked seed”) are a diverse group of seed plants and are paraphyletic. Paraphyletic groups do not include descendants of a single common ancestor. Gymnosperm …
What Is a Seed? - New York Botanical Garden
Apr 2, 2021 · Seed plants appear in the fossil record around 300 million years ago, and they are now the most abundant and diverse plant group on earth, with nearly 400,000 species. Seeds …
Seed Plants - Biology Online Tutorial
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new plant. Two major plant divisions are covered: the angiosperms and the …
(PDF) Anatomy and Morphology of Seed Plants - ResearchGate
Jan 27, 2015 · Seed plants, the most successful and diverse group of higher plants, are distinguished from other plants by the presence of a testa (seed coat) that protects the …
Plant reproductive system - Seeds, Pollination, Fertilization
A number of parts of the reproductive process are common to both angiosperms and gymnosperms: (1) they produce seeds at maturity; (2) the megasporangium, unlike that of …
26: Seed Plants - Biology LibreTexts
Seed plants, such as palms, have broken free from the need to rely on water for their reproductive needs. They play an integral role in all aspects of life on the planet, shaping the physical …
21: Seed Plants - Biology LibreTexts
Feb 14, 2024 · Seeds represent one of the most important innovations in plant evolution: a protected, nutrient-supplied embryo with the ability to await appropriate conditions for …
- Some results have been removed