Answer:
Explanation:
Possible Essays for Life Science:
1. "Explain four management strategies to improve the quality of drinking water. Uncle Two sources of water pollution and Two effect of water pollution on human health.
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2. "Eutrophication is one of most important water quality problem South Africa. Describe Eutrophication, what causes it and how it affects water quality."
3. "Describe the significance of DNA replication and meiosis and how the foetus is protected and nourished in the uterus."
4. "Describe how meiosis contribute to genetic variation and how
abnormal meiosis leaf to down syndrome and polyploidy. Also
describe advantages of polyploidy in agriculture.
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The vegetation in most environments is crucial as a food source for many animals in the area. Without it, many animals may starve, thus setting on a chain reaction of animal displacement.
We de-starch leaves so as to remove the starch produced in it during photosynthesis stored as food. Removing the starch would help us to infer our observations clearly as there is no change or substance that would effect the experiment we want to carry out. For example , the indicators we use might give blue-black or green colors just because of the presence or absence of starch.
