Answer:
vha sa unhone nikal dia(≧▽≦)(≧▽≦)(≧▽≦)
The answer is single opening. The gastrovascular cavity varies from the alimentary canal in that only the gastrovascular cavity has only a single opening. In addition, an alimentary canal has two openings and food moves over it unidirectional. The gastrovascular cavity is a construction establish in primitive animal phyla. It is accountable in cooperation with the digestion of food and the transportation of nutrients all over the body.
In the Hardy-Weinberg formula, 2pq represents the frequency of the Aa genotype (heterozygous).
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For a quantity of water, milliliters (mL) are used
For the length of a leaf centimeters or millimeters (cm; mm) are used
For the mass of a small stone, gram (g) are used.
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