What is population density? answers are a. the number of organisms of a species
in a particular area. and b. the area occupied by a particular species in the ecosystem. c. the total number of organisms within a fixed area. and d. the total number of organisms of a particular species.

Option C.

Population density is the total number of organisms within a fixed area.

Explanation:

Population density is the total number of organisms per unit area. Population density is calculated by dividing the number of organisms by the unit area either in square kilometers, squaremeters, square miles.

Population density =number of organisms ÷ unit of land area.

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consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.