The pioneer organisms in ecological succession are usually the

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Soil fertility can best be conserved by the activities of

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A limited factor in a plant population near a chemical factory is likely to be

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Mycorriza is an association between fungi and

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The correct sequence of biomes from northern to southern Nigeria is

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The most effective method of dealing with non-biodegradable pollutant is by

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One example of fossil fuels is

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A density-dependent factor that regulates the population size of organism is

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The most important hormone that induces the ripening of fruit is

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The response of plants to external stimuli in a non-directional manner is known as

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An example of a caryopsis is

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Homologous pairs of chromosome separate during

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