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IGCSE Biology

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nid404:

--- Quote from: thukon on June 09, 2009, 05:27:57 am ---What are the 2 reasons why livestock gain weight faster in the shed?

--- End quote ---

1) less space to move in sheds so not much heat loss
2)insulation in shed against heat loss as weather outside is cold(which could cause heat loss as skin would radiate heat)

thukon:

--- Quote from: ADIN on June 09, 2009, 05:29:26 am ---i dint have much time for that so I wrote 1) less movement hence food is stored instead of used for respration and 2) less heat loss (no time to elaborate or add a word)

--- End quote ---
I wrote that in the cold, the enzyme activity is slower, so there is slower metabolism. Lol.
But the first one i got right. I wrote less movement, so less excercise, and less weight loss.

QuickSilver:

--- Quote from: thukon on June 09, 2009, 05:27:57 am ---What are the 2 reasons why livestock gain weight faster in the shed?

--- End quote ---

1. No Movement So More Energy Can Be Stored Thus Gaining Weight
2. Since It Is Very Cold Outside, They Will Need Much Energy To Maintain a constant body temperature, in the shed it is warm meaning less energy is used and more is stored

Hope This Helps dont forget +rep :)

annie_angel:

--- Quote from: ADIN on June 09, 2009, 05:29:26 am ---i dint have much time for that so I wrote 1) less movement hence food is stored instead of used for respration and 2) less heat loss (no time to elaborate or add a word)

--- End quote ---
i rote da same!!!!

thukon:
What did you people write for how you can manufature enzymes from bacteria?

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