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Answer:
The medial line is the central axis of the figure, dividing the body vertically into equal right and left haves. ... Sagittal Plane The sagittal plane divides the body vertically into equal right and left halves. This plane is also referred to as the midsagittal plane because it is on the midline of the body.
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1 is the correct answer!!
B. To explain why the data supported or rejected the hypothesis
A gastrovascular cavity is a digestive sac with only a single opening. An alimentary canal has two openings (a mouth and anus) between its digestive tubes unlike the gastrovascular cavity in which food is ingested and eliminated through the same opening.
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