We"ve all seen an apple , an oselection , a tomato , etc . So , what is the purpose of these in the bigger picture of the evolution of plants ? I know the fruit contains the seeds to make a new tree , what is the purpose of the rest of the to apologize , orange or tomato ?



We"ve all seen an apple , an oselection , a tomacome , and so on . So , what is the purpose of these in the bigger picture of the evolution of plants ? I know the fruit contains the seeds to make a new tree , what is the purpose of the rest of the apologize , orange or tomato ?


 

It is attractive to animals. Animals eat the fruit, and then poop it out. The seeds have now been transported to a new location where it has ample fertilizer and new ground to take root in.

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Also... if the fruit simply drops to the ground without being eaten by an animal... it is ideally shaped to roll away from the tree (on a slope for example) where it will eventually rot, thereby providing additional nutrients for the seeds.


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Also remember that how we see most fruits at the store is not how they were naturally formed. Many of the fruits and vegetable we buy have been bred to be the way we want them and not how they would have been found naturally.


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is attractive to animals. Animals eat the fruit, and then poop it out. The seeds have now been transported to a new location where it has ample fertilizer and new ground to take root in.

The word "fruit" literally means to use, to enjoy, so there"s our ancestors" understanding of the enticement to animals.

 

In addition to the fruits mentioned above that travel through an animal"s digestive track, some fruits entice animals who then carry them away to eat elsewhere; however, the seed itself may be large and/or hard to eat (peaches, cherries, etc) or are too inedible to eat (cashews (which are bitter when its fruit is ripe and sweet), etc), and so, the animals discard them (which allows them to sprout).

 

I"m guessing that, for tree nuts (pecans, walnuts, etc), the enticement is in the meat of the nut itself, but that the animals either forget where they hid them or found the shell too difficult to crack open, and thus, some survive to sprout when the shells rots.

Edited September 8, 2011 by ewmon
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Hal.


Posted September 11, 2011

Hal.

MoleculeSenior Memberns 32
Author
Posted September 11, 2011

Does anybody think that plants make fruit specifically for consumption by pets , in other wordns , do plants specifically have as their goal the consumption of their fruit as a route of getting their seeds to grow ?


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Realitycheck


Posted September 11, 2011

Realitycheck

Protist Senior Memberns 43
Posted September 11, 2011

Fruits are part of the reproductive process. They just happen to be high in vitamins and bioflavonoids, not to mention sugar.


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swansont


Posted September 11, 2011

swansont

Evil Liar (or so I'm told) Moderators
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7750
Posted September 11, 2011

Does anybody think that plants make fruit specifically for consumption by animals , in other wordns , do plants specifically have as their goal the consumption of their fruit as a route of getting their seeds to grow ?


That symbiotic relationship has certainly evolved in some plants.


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Laurens


Posted September 19, 2011

Laurens

QuarkMemberns 3
Posted September 19, 2011

We"ve all seen an to apologize , an ovariety , a tomacome , and so on . So , what is the purpose of these in the bigger picture of the evolution of plants ? I know the fruit contains the seeds to make a new tree , what is the purpose of the rest of the to apologize , orange or tomato ?


 

If a tree were to drop its seeds directly on the ground below it this would mean that the parent would be in direct competition with its offspring (is offspring the right word when applied to plants? I dunno, but you get what I mean). Plants have developed ways of avoiding this, some seeds are adapted to be carried away by the wind - like sycamore seeds.

 

Others use the help of animals in a kind of trade off. The tree/plant encases its seeds in a tasty berry or fruit so that an animal will eat it, carry it off in it"s stomach and excrete the seeds out in a different location, away from direct competition with the parent.

 

It"s also worth noting that some fruits have been artificially selected by humans for greater size/better taste. The ancestral banana actually looked like this before humans started selectively adapting it for their purposes:

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So in short, fruit exists as a transport system to get the seeds as far away from the parent plant as possible, and some fruits have been enlarged etc by human intervention.