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.
Answer:
Aerobic respiration occurs in the presence of oxygen.
C6H12O6(glucose) –> 2CH3CH2OH(ethanol) +2CO( carbon dioxide) + energy
Anaerobic respiration get energy by breaking down glucose in the complete absence of oxygen.
C6H12O6(glucose) –> 2CH3CH(OH)COOH (Lactic acid) + energy.
Restriction enzymes are used to <span>cut double-stranded DNA
In short, Your Answer would be Option B
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Larger sediments get dropped into steep areas
some keep flowing
The use of scientific name, which follows the rules of a standardized classification system.
<h3>Scientific classification of organisms</h3>
The scientific classification of organisms is known as the taxonomy. This system is used to categorise organisms into seven main divisions which include:
This system of naming organisms is accepted internationally. If the first person that named the killer whale used the scientific name which is <em>Orcinus orca,</em> the second person would have understood better.
Learn more about taxonomy here:
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