A World of Vegans

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_Scarlett_
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Re: A World of Vegans

Post by _Scarlett_ »

.Banshee wrote:@Twist then why didn't you post it?

@X-Lax exactly why I didn't say to cut out meats entirely. and to correctly answer your incorrect information:

1. Because plants are autotrophs that make their food by using the sun's energy. Only 2% of the sun's energy is absorbed by plants and even during that process, energy is lost (as heat when the plant is producing food). When an animal eats that food from the plant (herbivore), 90% of that energy is lost during the transfer of energy and from the metabolic processes that are used to digest the plant food (as heat). When that animal is eaten by a carnivore (such as a carnivore like ourselves) there is energy lost in the process (about 90% again lost due to the metabolic breaking down of this food). Do the math.


Yes, all plants are autotrophic while animals are heterotrophic (that's a given), and we can all establish that energy is lost during photochemical reactions in plants (photosynthesis) in the form of heat; energy is also lost during conversion in animals. Sadly, this argument doesn't make much sense, as you're comparing the process of forming ATP (energy) in plants to that of animals which simply aren't the same. You can't say an apple is an orange '~,o. Basically, through all that scientific jargon the conclusion remains the same: animals (herbivore and carnivores) lose the same amount of energy through metabolic processes regardless.
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AznFury
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Re: A World of Vegans

Post by AznFury »

selenne wrote:my gf is vegetarian. she doesnt eat any kind of meat. but eats eggs and stuff from milk. and lives well with it. her skin is just perfect, and shes not skinny (thx god for that).



vegetarian =/= vegan. just clarifying, you probably knew but i just wanted to state that for all to see.
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.Banshee
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Re: A World of Vegans

Post by .Banshee »

_Scarlett_ wrote:
.Banshee wrote:@Twist then why didn't you post it?

@X-Lax exactly why I didn't say to cut out meats entirely. and to correctly answer your incorrect information:

1. Because plants are autotrophs that make their food by using the sun's energy. Only 2% of the sun's energy is absorbed by plants and even during that process, energy is lost (as heat when the plant is producing food). When an animal eats that food from the plant (herbivore), 90% of that energy is lost during the transfer of energy and from the metabolic processes that are used to digest the plant food (as heat). When that animal is eaten by a carnivore (such as a carnivore like ourselves) there is energy lost in the process (about 90% again lost due to the metabolic breaking down of this food). Do the math.


Yes, all plants are autotrophic while animals are heterotrophic (that's a given), and we can all establish that energy is lost during photochemical reactions in plants (photosynthesis) in the form of heat; energy is also lost during conversion in animals. Sadly, this argument doesn't make much sense, as you're comparing the process of forming ATP (energy) in plants to that of animals which simply aren't the same. You can't say an apple is an orange '~,o. Basically, through all that scientific jargon the conclusion remains the same: animals (herbivore and carnivores) lose the same amount of energy through metabolic processes regardless.


What I was trying to establish is that we don't get the same amount of energy in meat as we do in plants. We get more energy from plants regardless of of the 90% lost during digestion.

@Xyxxy(srry if I misspelled it) Crop rotation is a way to stop soil exhaustion. Like you can plant cotton for 5 years, then you can rotate to a legume, say soybeans and because of bacteria living on the soybean's roots you can replenish the nutrients in soil through nitrogen fixation, and the use of phosphorus.
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Reise
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Re: A World of Vegans

Post by Reise »

Energy is one thing, nutrients are another.

Your body needs proteins and fats to live, regardless of what the leaf eating vegans tell you. The world would suddenly be dependent on what few plants offer this, and instead of things being cheaper, the money would just shift over to those products. Trees won't be saved. If anything, more farms will be needed to account for the increased dependence on fruits and vegetables. Meat may not give you as much "energy" as a plate of salad, but the amount of meat you can produce per farm of animals can feed far more people per farm of vegetables. You don't see a guy having a handful of peanuts and saying "damn that was filling." 1 steak however, can feed a grown man and sometimes have leftovers. This sort of change would also **** up predator populations, since so many prey animals would suddenly be sent out to the wilderness.

It's a crappy idea in general. You don't need to give up meat to be thin and healthy.
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