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  1. ...human needs , food , drink and sex , we will everything to preserve that need therefore food preservation is critical in human survival . good luck

    2 Answers · Science & Mathematics · 26/03/2010

  2. No. In terms of an individual, sex is not necessary for survival , whereas food most certainly is. In terms of a species, sex is necessary for successive generations, although nothing will live long without food .

    7 Answers · Science & Mathematics · 09/06/2010

  3. M.R.E. is what id take if i had to have some food and i couldnt keep it warm or cook it. they taste like crap but you gotta eat!

    9 Answers · Science & Mathematics · 17/06/2007

  4. Food is digested to add nucleic acids to your cells for transcription of DNA and RNA. Also, food is digested to add "energy." In order for you to create...

    3 Answers · Science & Mathematics · 07/03/2010

  5. ... fish or organic chicken #6 sunlight & air I know sunlight isn't food , but we need it for vitamin D.

    4 Answers · Science & Mathematics · 07/09/2009

  6. because in a simple food web there is no room for adapton and change like there is for a complex food ...the rabbits become exctinct. So sow with the foxes only source of food gone, they'll starve to death, which in turn, causes the world to turn...

    4 Answers · Science & Mathematics · 19/03/2012

  7. BECAUSE AIR IS NEEDED FOR RESPIRTATION. NO AIR = NO O2 = NO PYRUVIC ACID OR ATP FOR CELLS = DEATHHHH

    1 Answers · Science & Mathematics · 14/07/2010

  8. A food chain can be easily disrupted. If one member of the chain suffers hard times, then the ones above it will starve. A food web provides each level of predator the ability to find different food sources.

    2 Answers · Science & Mathematics · 21/05/2008

  9. ...energy, it does not mean that you'll get weak and tired. In a survival situation, you have to have energy source and that is food . Even if you're burning energy, you still gain more energy from the...

    1 Answers · Science & Mathematics · 11/01/2013

  10. ... factors: predators and prey parasites availability of food competition for resources abiotic= non living factors: weather...

    6 Answers · Science & Mathematics · 07/06/2009

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