do gnetophyta have seeds or spores?
Q. do gnetophyta have seeds or spores?
Asked by liltink1 - Thu Feb 11 10:58:33 2010 - - 2 Answers - 0 Comments
A. Actually they produce both seeds and spores! The sporophytes plant produces microspores which become pollen grains and megaspores that become megagametophytes or ovules. When the pollen grain fertilizes the ovule, a seed is produced.
Answered by saffronesque - Thu Feb 11 11:46:50 2010
Q. do gnetophyta have seeds or spores?
Asked by liltink1 - Thu Feb 11 10:58:33 2010 - - 2 Answers - 0 Comments
A. Actually they produce both seeds and spores! The sporophytes plant produces microspores which become pollen grains and megaspores that become megagametophytes or ovules. When the pollen grain fertilizes the ovule, a seed is produced.
Answered by saffronesque - Thu Feb 11 11:46:50 2010
Plants of which division drop their leaves in fall?
Q. a.coniferophyta b. lycophyta c. gnetophyta d.ginkgophyta
Asked by Cottrell - Sat May 1 14:09:11 2010 - - 1 Answers - 0 Comments
A. In conifers (coniferophyta) the larches, bald cypress and metasequoia are deciduous In ginkgophyta there is only the one species Ginkgo biloba and it is deciduous.
Answered by gardengallivant - Sat May 1 14:22:23 2010
Q. a.coniferophyta b. lycophyta c. gnetophyta d.ginkgophyta
Asked by Cottrell - Sat May 1 14:09:11 2010 - - 1 Answers - 0 Comments
A. In conifers (coniferophyta) the larches, bald cypress and metasequoia are deciduous In ginkgophyta there is only the one species Ginkgo biloba and it is deciduous.
Answered by gardengallivant - Sat May 1 14:22:23 2010
What can you tell me about...?
Q. any of the following: -Pinophyta -Cycadophyta -Gnetophyta -Anthophyta without a bunch of big, scientific words please? lol :] i am in sixth grade ;] thanks so much! ok, if you're just going to make fun of me, then dont answer. thanks for wasting your and my time
Asked by ...... - Thu Dec 20 13:27:22 2007 - - 6 Answers - 0 Comments
A. OK, they all end in the letter a nothing over 6 letters in my answer. they also all end in phyta could they be connected... That's 9 letters, sorry all types of plants oh,oh there's an encyclopedia (big book) coming up 2 behind me and look, he's given you loads of information that you don't need,
Answered by Trev - Thu Dec 20 13:30:01 2007
Q. any of the following: -Pinophyta -Cycadophyta -Gnetophyta -Anthophyta without a bunch of big, scientific words please? lol :] i am in sixth grade ;] thanks so much! ok, if you're just going to make fun of me, then dont answer. thanks for wasting your and my time
Asked by ...... - Thu Dec 20 13:27:22 2007 - - 6 Answers - 0 Comments
A. OK, they all end in the letter a nothing over 6 letters in my answer. they also all end in phyta could they be connected... That's 9 letters, sorry all types of plants oh,oh there's an encyclopedia (big book) coming up 2 behind me and look, he's given you loads of information that you don't need,
Answered by Trev - Thu Dec 20 13:30:01 2007
A few biology questions..?
Q. What type of plant is completely extinct at point C in the timeline shown in Figure 22-3? nonvascular plants vascular plants conifers none of the above Horsetails are ___. bryophytes arthrophytes lycophytes pterophytes Which division of seed plants is represented by only one living species? Cycadophyta Gnetophyta Ginkgophyta Coniferophyta
Asked by Mark W - Thu Feb 22 11:30:06 2007 - - 1 Answers - 0 Comments
A. i cant see figure 22-3. horsetails are petrophytes ginkgophyta has only one plant in its class
Answered by kat - Thu Feb 22 12:32:21 2007
Q. What type of plant is completely extinct at point C in the timeline shown in Figure 22-3? nonvascular plants vascular plants conifers none of the above Horsetails are ___. bryophytes arthrophytes lycophytes pterophytes Which division of seed plants is represented by only one living species? Cycadophyta Gnetophyta Ginkgophyta Coniferophyta
Asked by Mark W - Thu Feb 22 11:30:06 2007 - - 1 Answers - 0 Comments
A. i cant see figure 22-3. horsetails are petrophytes ginkgophyta has only one plant in its class
Answered by kat - Thu Feb 22 12:32:21 2007
Help With Phylums?
Q. i need to find examples of organisms in these phylums : (fungi) Deuteromycota, ascomycota, zygomycota, basidiomycota. (Plantae) anthrophyta, gnetophyta, coniferophyta, lycophyta, pterophyta. (Protista) Oomycota, euglenophyta, acrasimycota, ciliphora, rhodophyta please help...or give me the link to a website that has examples and maybe pictures to these! thankss
Asked by Frenchy - Mon Apr 28 15:29:23 2008 - - 1 Answers - 0 Comments
A. a subwebsite of wikipedia is called wikispecies. go there and search the phylums. they wll give you examples and in many cases pictures. to start you off with one that i know, an example of a zygomycote is black bread mould. um..
Answered by anna - Mon Apr 28 15:50:40 2008
Q. i need to find examples of organisms in these phylums : (fungi) Deuteromycota, ascomycota, zygomycota, basidiomycota. (Plantae) anthrophyta, gnetophyta, coniferophyta, lycophyta, pterophyta. (Protista) Oomycota, euglenophyta, acrasimycota, ciliphora, rhodophyta please help...or give me the link to a website that has examples and maybe pictures to these! thankss
Asked by Frenchy - Mon Apr 28 15:29:23 2008 - - 1 Answers - 0 Comments
A. a subwebsite of wikipedia is called wikispecies. go there and search the phylums. they wll give you examples and in many cases pictures. to start you off with one that i know, an example of a zygomycote is black bread mould. um..
Answered by anna - Mon Apr 28 15:50:40 2008
I have question on plant divisions.?
Q. I made tthis list I want to know if it's correct (Which means did i put everything under the right list) Non-Vascular: Bryophyta,Hepaticophyta,A nthocerophyta, Non-Seed Vascular: Lycophyta,Arthrophyta,Pte rophyta Seed Plant: Cycadophyta,Ginkgophyta,G netophyta,Coniferophyta,A nthophyta
Asked by Mirai - Sun May 10 23:31:34 2009 - - 1 Answers - 0 Comments
Q. I made tthis list I want to know if it's correct (Which means did i put everything under the right list) Non-Vascular: Bryophyta,Hepaticophyta,A nthocerophyta, Non-Seed Vascular: Lycophyta,Arthrophyta,Pte rophyta Seed Plant: Cycadophyta,Ginkgophyta,G netophyta,Coniferophyta,A nthophyta
Asked by Mirai - Sun May 10 23:31:34 2009 - - 1 Answers - 0 Comments
The tree ferns that are common in today's tropical forests are members of this division...?
Q. a. Lycophyta b. Psilophyta c. Sphenophyta d. Pterophyta e. Cycadophyta f. Gnetophyta g. Anthophyta h. Coniferophyta i. Ginkgophyta j. Spermatophyta i. The tree ferns that are common in today's tropical forests are members of this division. ii.The giant ground pines of the Carboniferous Period often reached heights of 50-100 feet. They were members of this division. iii. Flowering plants are members of this grouping. iv. This is heterosporous with well-developed seed and pollen-bearing cones. v. There are only 30-known species of plants in this division. It is characterized by having silica in the stem for support.
Asked by lbrh12 - Sun Oct 19 14:28:34 2008 - - 1 Answers - 0 Comments
A. d. Pteridophyta
Answered by John S - Sun Oct 19 18:53:00 2008
Q. a. Lycophyta b. Psilophyta c. Sphenophyta d. Pterophyta e. Cycadophyta f. Gnetophyta g. Anthophyta h. Coniferophyta i. Ginkgophyta j. Spermatophyta i. The tree ferns that are common in today's tropical forests are members of this division. ii.The giant ground pines of the Carboniferous Period often reached heights of 50-100 feet. They were members of this division. iii. Flowering plants are members of this grouping. iv. This is heterosporous with well-developed seed and pollen-bearing cones. v. There are only 30-known species of plants in this division. It is characterized by having silica in the stem for support.
Asked by lbrh12 - Sun Oct 19 14:28:34 2008 - - 1 Answers - 0 Comments
A. d. Pteridophyta
Answered by John S - Sun Oct 19 18:53:00 2008
From Yahoo Answer Search: 'Gnetophyta'
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Este es el caso de una Gimnosperma del Phylum Gnetophyta y en concreto del orden de las Welwitchiales. Dentro de este orden tenemos la familia Welwitchia representada por una sola especie Welwitchia mirabilis. Esta planta vive en el desierto de Namibia ...
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