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just some questions about plants..help

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just some questions about plants..help

Postby jess7 » Wed Oct 19, 2005 8:30 am

hey im just having a bit of trouble:
-where does a seed get energy to germinate before it is able to photosynthesise?

-How is fruit different to a seed?

if anyone can help me with those question i would be so thankful!
thanks :)
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Postby jess7 » Wed Oct 19, 2005 10:02 am

please its really important
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Postby victor » Wed Oct 19, 2005 10:57 am

:lol: HW question :lol:
Q: Why are chemists great for solving problems?
A: They have all the solutions.
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Postby Tyran » Thu Oct 20, 2005 1:21 am

a fruit is a ripe ovary, whereas a seed is... a seed (or egg?)... I think, im not to good at botany.
wouldn't the seed have stored energy from the parent plant and use that to germinate?
correct me if i'm wrong :?
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Postby mothorc » Thu Oct 20, 2005 11:46 am

the first question
Seed germination use energy from starch storage in its endoderm
Except for orchid, orchid seed just have an undifference embryo so to germinate, the seed must be symbiont with mycorhyzae named Rhyzoctonia. The mycorhyzae supply glucose, Phosphorous (easily absorb form) and some phytohormone.
good luck
victor, can I ask HW means?
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Postby mith » Thu Oct 20, 2005 12:33 pm

hw means homework question.

the seed is the actual egg that can reproduce, the fruit is just the covering made of either ovary or accessory tissues.

the energy should be from the seed itself. In angiosperms it's the cotyledons. I'm not sure what happens in conifers though because my teacher skipped the chapter :(
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Postby MrMistery » Thu Oct 20, 2005 5:34 pm

He skipped the whole chapter? Oh my, that simply will not do! Replace him!
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Postby chicoguardian » Thu Oct 20, 2005 8:13 pm

mithrilhack wrote:hw means homework question.

the seed is the actual egg that can reproduce, the fruit is just the covering made of either ovary or accessory tissues.

the energy should be from the seed itself. In angiosperms it's the cotyledons. I'm not sure what happens in conifers though because my teacher skipped the chapter :(

yes the energy is from the seed itself till it buds, the inside of the seed at the tip that pointy :roll: has oil in it, this provides the seed energy until it buds, then the seed gets energy from water and photosynthises
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Postby mith » Thu Oct 20, 2005 10:17 pm

replacing a teacher is harder than you think, most of the couselors say "suck it up"(meaning endure it). Also he's not a bad guy, very funny. Just not teacher material.
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Postby MrMistery » Fri Oct 21, 2005 5:11 pm

In my country, if a teacher doesn't do his job, we sign a petition and give it to the principal and he's gone :wink: But that is just romania. You live in country of democracy :D
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Postby Navin » Sun Oct 23, 2005 1:13 pm

One way of differentiating a fruit from a seed is by looking at their scars.

A fruit has 2 scars :
1. Scar of the fruit stalk
2. Scar of the remains of style

A seed has 1 scar :
1. Scar of the funicle (where it was attached to the fruit)
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Postby baikuza » Mon Oct 24, 2005 3:04 pm

yes..!!
:o endoderm (solid and liquid)
it gets the energy from this.
it grow by the support of hormones and enzymes..

at a normal condisition, fruit has seed. but seed at sometime do not have the "outer" scar... kind the same as Navin.

hei.. then coconut is a seed or a fruit?
....
yes... it's a fruit.
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