Population Growth and Fertility Rates Are Lowest in

question 69

Multiple Choice

Population growth and fertility rates are lowest in

• A)upper-income countries.
• B)upper- and middle-income countries.
• C)middle- and low-income countries.
• D)lower-income countries.

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Definitions:

Embryonic

Pertaining to the earliest stage of development in multicellular organisms, following fertilization and prior to becoming a fetus.

Outermost Layer

The external surface or the topmost layer of an object or entity.

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, from which the skin, brain, and nervous system develop.

Mesoderm

The middle layer of an embryo in early development, which gives rise to muscles, bones, and circulatory and excretory systems.