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Heterosporous in Biological Dictionary

Megaspore

... are a type of spores that is present in heterosporous plants. These types of plants have two spore ... larger of the two types of spore produced in heterosporous plants; ... in seed plants in which a ... megaspore . megaspore . The female spore of a heterosporous plant. See also: ... Register today for a ...

Heterosporous

... Information about heterosporous in the free online ... heterosporous (htr--spôrs, ht-rspr-s) ... heterosporous . heterospory. heterospory. Heterosquare ... ...

Microsporangium

... are discussed in the following places at Britannica. Assorted References function in plant reproduction ( in plant (life form): heterosporous life histories; ... mitotically to form the embryo, which then develops into the sporophyte. Eventually the sporophyte produces sporangia, ...

Microspore

... ... GardenWeb Shopping Organization Directory Events Calendar Hortiplex Glossary ... microspore . microspore . The male spores produced by heterosporous plants. See ... Register today for a free trial, credit card req'd. Find In Vitro Cellular & Developmental Biology articles plus many other ...

Microgametophyte

... the topic microgametophyte are discussed in the following places at Britannica. Assorted References heterospory in plants ( in plant (life form): heterosporous life histories ) The spores produce two types of gametophytes: each microspore develops into a microgametophyte (male gametophyte), which ...

Megasporocyte

... of the topic megasporocyte are discussed in the following places at Britannica. Assorted References heterospory in plants ( in plant (life form): heterosporous life histories ) ... (meiocytes) that undergo meiosis to form spores. Microsporangia (male sporangia) produce microsporocytes ...

Megasporangium

... Aspects of the topic megasporangium are discussed in the following places at Britannica. Assorted References function ( in plant (life form): heterosporous life histories; ... produces sporangia, which bear sporocytes (meiocytes) that undergo meiosis to form spores. Microsporangia (male ...

Megagametophyte

... the topic megagametophyte are discussed in the following places at Britannica. Assorted References heterospory in plants ( in plant (life form): heterosporous life histories ) The spores produce two types of gametophytes: each microspore develops into a microgametophyte (male gametophyte), which ...

Gymnosperms

... know collectively as " gymnosperms " ... The surviving gymnosperms in the Coniferophyta, Cycadophyta and Ginkgophyta are ... Gymnosperms are heterosporous and the female gametophyte is retained by the parent plant. ... What advantage does this give the gymnosperms ? ... Gymnosperms . Background. ...

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