Floating microscopic heterotrophs are mostly grouped as

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The biological association that contributes directly to succession in a community is

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A group pf organism of different species living in a particular area is described as a

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The ability of the eyes to focus on both near and distance objects is termed

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The process of walking is under the control of the part of the brain called

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In which of the following vertebrates does the skin function as a respiratory surface

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The excretory structure in the earthworm is the

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Which of the following waste products in plants is excreted through the stomata and lenticles?

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The process by which a red blood cell placed in distilled water absorbs water until it burst and realease it’s content into the surrounding is known as

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The smallest living organisms which share the characteristics of both living and non-living matter are

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Which of the following instruments is NOT used in measuring abiotic factors in any habitat?

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What is the term used to describe biotic and abiotic factors in the environment of the organism?

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