Qualification > Sciences

IGCSE Biology

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nid404:

--- Quote from: QuickSilver on June 09, 2009, 05:22:57 am ---
--- Quote from: thukon on June 09, 2009, 05:21:42 am ---But the experiment is continued after the dry mass is weighed each time. If you het it, wont that kill it? And then the experiment cant be continued.

--- End quote ---
yeah exactly so the heat should be gentle to make sure it doesnt affect any enzymes or the plant itself :)

--- End quote ---

just to remove the water

thukon:
i know, so that means nid got t wrong. If you heat it in the microwave, it kills the radish.

ADIN:
i wrote that u should first measured its mass. then attach one to a potometer to measure the average uptake of water on that day and then subtract

thukon:
What are the 2 reasons why livestock gain weight faster in the shed?

ADIN:
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)

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