Which Statement Is True for a Population with an Age

question 4

Multiple Choice

Which statement is true for a population with an age structure diagram in the shape of a pyramid?

• A)It is a rapidly growing population.
• B)It means the population is mostly older individuals.
• C)It would be associated with a developed country.
• D)It would be indicative of the United States.
• E)It means the death and birth rates are equal.

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Definitions:

Semipermeable Membrane

A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion and occasionally specialized "facilitated diffusion".

Concentration Gradient

A concentration gradient is a variation in the concentration of a substance across a region, leading to the movement of particles from high to low concentration areas.

Hypotonic Solution

Solution that contains a lower solute (more water) concentration than the cytoplasm of a cell; causes cell to gain water by osmosis.

Cell Wall

A rigid layer that lies outside the plasma membrane of the cells of plants, fungi, and bacteria, providing structural support and protection.