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Heterosporous

Heterosprous: produces both microspore and megaspores.


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Plant differences, wind pollination, etc.

... each characteristic you have listed. some other examples: higher plants vs lower plants cryptogams vs phanerogams (Spermatophytes) homosporous vs heterosporous unicellular vs multicellular Which two families produce edible fruit? As for me there are three: Asteraceae (for example sunflower Helianthus ...

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by SU_reptile
Fri Dec 15, 2006 10:51 pm
 
Forum: Botany Discussion
Topic: Plant differences, wind pollination, etc.
Replies: 3
Views: 3205

"Twenty questions"-biology game

What does homospore/heterospore mean ? I meant homosporous or heterosporous :oops:

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by Dr.Stein
Tue Nov 28, 2006 8:48 am
 
Forum: General Discussion
Topic: "Twenty questions"-biology game
Replies: 759
Views: 88711

Homosporous and Heterosporous plants.....help! + generations

Thanks alot...That cleared up most of my difficulties. One more question: So some Polypodiophytes are homosporous, while some others are heterosporous, right?

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by unrealfighter
Wed Nov 01, 2006 10:39 pm
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 3301

Homosporous and Heterosporous plants.....help! + generations

Ans. 1. Yes, all bryophytes are homosporous Ans. 2. Selaginellopsida, Isoetopsida, Marsileidae and Salvinidae are heterosporous. Equisetales are homosporous however sexually are different. Ans. 3. Microsporangium = pollen sac, microgametophyte = pollen grain, mega(macro-)sporangium ...

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by SU_reptile
Wed Nov 01, 2006 8:43 pm
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 3301

Homosporous and Heterosporous plants.....help! + generations

Hi guys. If anyone knows the answers to these questions I would greatly appreciate if he/she posts. Thanks :) Q1: Are all Bryophytes homosporous? Q2: Are ferns all homosporous? Q3: In Magnoliophyta (flowering plants), which structures are the microsporangium, megasporangium, the microgametophyte and...

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by unrealfighter
Wed Nov 01, 2006 9:20 am
 
Forum: Botany Discussion
Topic: Homosporous and Heterosporous plants.....help! + generations
Replies: 5
Views: 3301


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