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43 relations: Algae, Alternation of generations, Archegonium, Biological life cycle, Bryophyte, Cell division, Chromosome, Devonian, Embryo, Embryophyte, Equisetum, Fern, Flagellum, Flowering plant, Gamete, Gametophyte, Gymnosperm, Heterospory, Hornwort, Isomorphism, Lycopodiopsida, Marchantiophyta, Megaspore, Meiosis, Microspore, Mitosis, Morphology (biology), Moss, Multicellular organism, Oocyte, Ovule, Plant, Plant reproductive morphology, Ploidy, Pollen, Pteridospermatophyta, Ralf Reski, Seed, Sperm, Spermatophyte, Sporangium, Spore, Zygote.
Algae
Algae (singular alga) is an informal term for a large, diverse group of photosynthetic organisms that are not necessarily closely related, and is thus polyphyletic.
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Alternation of generations
Alternation of generations (also known as metagenesis) is the type of life cycle that occurs in those plants and algae in the Archaeplastida and the Heterokontophyta that have distinct sexual haploid and asexual diploid stages.
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Archegonium
An archegonium (pl: archegonia), from the ancient Greek ἀρχή ("beginning") and γόνος ("offspring"), is a multicellular structure or organ of the gametophyte phase of certain plants, producing and containing the ovum or female gamete.
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Biological life cycle
In biology, a biological life cycle (or just life cycle when the biological context is clear) is a series of changes in form that an organism undergoes, returning to the starting state.
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Bryophyte
Bryophytes are an informal group consisting of three divisions of non-vascular land plants (embryophytes): the liverworts, hornworts and mosses.
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Cell division
Cell division is the process by which a parent cell divides into two or more daughter cells.
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Chromosome
A chromosome (from Ancient Greek: χρωμόσωμα, chromosoma, chroma means colour, soma means body) is a DNA molecule with part or all of the genetic material (genome) of an organism.
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Devonian
The Devonian is a geologic period and system of the Paleozoic, spanning 60 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya.
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Embryo
An embryo is an early stage of development of a multicellular diploid eukaryotic organism.
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Embryophyte
The Embryophyta are the most familiar group of green plants that form vegetation on earth.
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Equisetum
Equisetum (horsetail, snake grass, puzzlegrass) is the only living genus in Equisetaceae, a family of vascular plants that reproduce by spores rather than seeds.
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Fern
A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers.
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Flagellum
A flagellum (plural: flagella) is a lash-like appendage that protrudes from the cell body of certain bacterial and eukaryotic cells.
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Flowering plant
The flowering plants, also known as angiosperms, Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approximately 13,164 known genera and c. 295,383 known species.
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Gamete
A gamete (from Ancient Greek γαμετή gamete from gamein "to marry") is a haploid cell that fuses with another haploid cell during fertilization (conception) in organisms that sexually reproduce.
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Gametophyte
A gametophyte is one of the two alternating phases in the life cycle of plants and algae.
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Gymnosperm
The gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes.
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Heterospory
Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants.
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Hornwort
Hornworts are a group of non-vascular plants constituting the division Anthocerotophyta.
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Isomorphism
In mathematics, an isomorphism (from the Ancient Greek: ἴσος isos "equal", and μορφή morphe "form" or "shape") is a homomorphism or morphism (i.e. a mathematical mapping) that can be reversed by an inverse morphism.
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Lycopodiopsida
Lycopodiopsida is a class of herbaceous vascular plants known as the clubmosses and firmosses.
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Marchantiophyta
The Marchantiophyta are a division of non-vascular land plants commonly referred to as hepatics or liverworts.
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Megaspore
Megaspores, also called macrospores, are a type of spore that is present in heterosporous plants.
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Meiosis
Meiosis (from Greek μείωσις, meiosis, which means lessening) is a specialized type of cell division that reduces the chromosome number by half, creating four haploid cells, each genetically distinct from the parent cell that gave rise to them.
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Microspore
Microspores are land plant spores that develop into male gametophytes, whereas megaspores develop into female gametophytes.
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Mitosis
In cell biology, mitosis is a part of the cell cycle when replicated chromosomes are separated into two new nuclei.
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Morphology (biology)
Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features.
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Moss
Mosses are small flowerless plants that typically grow in dense green clumps or mats, often in damp or shady locations.
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Multicellular organism
Multicellular organisms are organisms that consist of more than one cell, in contrast to unicellular organisms.
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Oocyte
An oocyte, oöcyte, ovocyte, or rarely ocyte, is a female gametocyte or germ cell involved in reproduction.
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Ovule
In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells.
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Plant
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
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Plant reproductive morphology
Plant reproductive morphology is the study of the physical form and structure (the morphology) of those parts of plants directly or indirectly concerned with sexual reproduction.
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Ploidy
Ploidy is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes.
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Pollen
Pollen is a fine to coarse powdery substance comprising pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells).
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Pteridospermatophyta
The term Pteridospermatophyta (or "seed ferns" or "Pteridospermatopsida") refers to several distinct groups of extinct seed-bearing plants (spermatophytes).
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Ralf Reski
Ralf Reski (born 18 November 1958 in Gelsenkirchen) is a German Professor of Plant Biotechnology and former Dean of the Faculty of Biology of the University of Freiburg.
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Seed
A seed is an embryonic plant enclosed in a protective outer covering.
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Sperm
Sperm is the male reproductive cell and is derived from the Greek word (σπέρμα) sperma (meaning "seed").
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Spermatophyte
The spermatophytes, also known as phanerogams or phenogamae, comprise those plants that produce seeds, hence the alternative name seed plants.
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Sporangium
A sporangium (pl., sporangia) (modern Latin, from Greek σπόρος (sporos) ‘spore’ + αγγείον (angeion) ‘vessel’) is an enclosure in which spores are formed.
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Spore
In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions.
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Zygote
A zygote (from Greek ζυγωτός zygōtos "joined" or "yoked", from ζυγοῦν zygoun "to join" or "to yoke") is a eukaryotic cell formed by a fertilization event between two gametes.
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Redirects here:
Sporophytes, Sporophytic, Sporphytic.
References
[1] https://en.wikipedia.org/wiki/Sporophyte
