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present day gymnosperms are divided into the four following phyla:
1-Cycadophyta: palm-like trees of tropics/subtropics
2-Ginkgophyta: only a single species: Ginkgo biloba
3-Coniferophyta: cone bearing trees, evergreens: pines, firs, spruce
4-Gnetophyta: consists of 3 genera:
a. welwitschia: in African deserts with only 2 long strap-like leaves
b. Ephedra: desert shrub, souce of alkaloid ephedrine - used to treat congestion of hay fever, Asthma
c. Gnetum: trees or vines with large leathery leaves
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∙ 13y ago
Wiki User
∙ 15y agothe four divisions of the gymnosperms are... the conifers, cycads, gingkoes, and lastly the gnetophytes.
Wiki User
∙ 15y agoGynerathiss Sarbinums Byoctofocils Typoicids
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∙ 13y agoThe four phyla of Gymnosperms are known as Ginkgophyta, Cycadophyta, Gnetophyta, and Coniferophyta.
Wiki User
∙ 13y agoThe four existing groups of gymnosperms are the Conifers, Ginkgoes, Cycads, and Gnetophytes (conifers, ginkgo, cycads, and gnetums). Other divisions have existed but are now extinct.
Wiki User
∙ 12y agoconifers, ginkoes, cycads, and gneotophytes.
Wiki User
∙ 13y agoConifers, Cycads, Ginkgo, and Gnetales
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Do scientists classify plant into three large groups?
Four: bryophytes, ferns, gymnosperms and angiosperms
Two groups of plants?
Angiosperms and Gymnosperms branch from a single common ancestor.
What is the 2 groups of plants that form seeds are?
Gymnosperms and angiosperms are the two groups of plants that make seeds. Gymnosperms have naked seeds. Angiosperms have seeds that are inside of a fruit that provides protection and food for the seed.
How many different groups of crystal structure are there in minerals?
There are about four different groups of crystals structures that are available in the minerals. The four have different orientations of the close-packed layers.
Seed plants which first appeared in the Paleozoic Era?
Gymnosperms.
Briefly describe the four groups of gymnosperms Which group is the largest and most economically important?
There are four groups of gymnosperms: conifers,ginkgoes,cycads,and gnetophytes.The seres of gymnosperms are not enclosed in a fruit.
The four groups of gymnosperms are conifers cycads ginkgoes and what?
The last one would be Gnetophytes.
What are 2 groups of vascular plants that produce seeds?
Gymnosperms ( naked seeds ) and angiosperms ( enclosed seeds ).
What are 2 large groups plants are classified?
angiosperms gymnosperms
What are the major groups of plants for the desert biome?
most Gymnosperms
How many groups of gymnosperms exist today?
there are alot of different species but there is about the same number of angiospems so there is about 200,000-300,000
What two main groups of plants reproduce with seeds?
Gymnosperms and angiosperms
Is a fir a gymnosperm?
Ferns are not gymnosperms. Gymnosperms are divided into 4 groups,cycads,ginkgoes,gnetophytes,and conifers.
Do scientists classify plant into three large groups?
Four: bryophytes, ferns, gymnosperms and angiosperms
What are 3 plants that are vascular plants?
The four groups of vascular plants are Lycophytes, Pterophytes, Gymnosperms, and Angiosperms.Plants in the following groups are:Lycophytes: Club mosses, Spike Mosses, QuilwortsPterophytes: Ferns, Horsetails, Whisk FernsGymnosperms: Ginko tree, ConiferAngiosperms: Flowers
What are the similarities of ginkgo biloba with other groups of gymnosperms?
They are all conifers. They are all conifers.
How does gymnosperm come in with conifers?
A conifer is a kind of gymnosperm it is one of the 4 groups of gymnosperms
