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Biology

1 answer:

Vinvika [58]3 years ago

5 0

the answer is C they are identical

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How does the design of your experiment control for outside factors that may affect the results?

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Answer:

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An experiment has several types of variables, including a control variable (sometimes called a controlled variable). ... A control variable is another factor in an experiment; it must be held constant. In the plant growth experiment, this may be factors like water and fertilizer levels.

Explanation:

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organisms are always in competition for resources such as food and water or simply just for space.

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Which matter exists in the liquid state at room temperature?

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The diagram shows structures found in a seed plant. What is the function of labeled X

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Question is incomplete. Complete question has been attached.

Answer:

carries food produced by leaves

Explanation:

The diagram is a cross section of stem of a dicot plant, specifically <em>Hypericum perforatum</em>. It shows all the structures present in the stem like xylem, phloem, pith, cortex etc. The structure labelled X is phloem. It is present between xylem (stained red) and peripheral cortex. Phloem is responsible for conduction of sugars and nutrients in the plant thus it carries the food produced by leaves. Together xylem and phloem make the vascular tissue which surrounds the central pith (stained bluish-green).

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