Answer:
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Answer:
Orchids have some unique features which help them in the evolutionary race. They produce masses of pollen (which improves the chances of pollination), very light seeds (which makes them easier to spread) and can grow on other plants using them to support their own growth.
Bacteria are benifical for humans in many ways
1) Bacteria like lactobacillus helpful in the preparation of curd
2)They are also are used in agriculture to increase soil fertility
3)They are helpful in industries to produce alcohol,wine and acetic acid
4)They are aslo used in cleaning the environment