Marital homogamy tends to occur in the choice of marriage partners because of

Had to look for the options and here is my answer. The answer that fits the blank is SPATIAL NEARNESS. When we say spatial nearness, this refers to small distance or closeness and marital homogamy becomes a choice in marriage. Marital homogamy refers to the relationship wherein someone marries another who are of the same sociological status.

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That is true tge cactus as a structural adaptation to its envirinment has it leaves reduced to spines. but this doesnt mean it cant produce food it produces food because of the presence of chlorophyll in its stem