Question
Enumerate the conclusions made by A. Wallace from his studies on life forms.
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OR
Explain the role of flocs in sewage treatment.Or
Name the source of the DNA polymerase used in PCR technique. Mention why it is used?Or
Give the name of the organism from where the thermostable DNA polymerase is isolated. State its role in genetic engineering.
Identify the type of the given ecological pyramid and give one example each of pyramid of number and pyramid of biomass in such cases.