Question

Assertion Flow of energy in a food chain is unidirectional,
Reasons in a food chain the organisms no placed in a hierarchical order
Assertion Newly formed DNA may not be identical to the parental DNA
Reason Variations occur during DNA synthesis that cause the changes
The following questions contain tive sut-pars each you are expected to answer
any four sub-parts in the question​

Answer 1

Answer:

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