There Are Two Primary Reasons Why the World's Population Is

question 3

Multiple Choice

There are two primary reasons why the world's population is aging so quickly.Which of the following best represent these two reasons?

• A)People are living longer,and fewer babies are being born.
• B)People are living longer,and more babies are being born.
• C)People are not living as long,and fewer babies are being born.
• D)People are not living as long,and more babies are being born.

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Definitions:

Streptococci

A genus of coccus (spherical) bacteria that usually forms chains; known for causing various infections in humans and animals.

Alpha Proteobacteria

A class of Proteobacteria that includes a variety of species, some of which are capable of photosynthesis or nitrogen fixation.

Gram-Negative Bacteria

Bacteria with cell walls consisting of a thin peptidoglycan layer and a thick outer membrane. Compare with gram-positive bacteria

Cyanobacteria

Photosynthetic bacteria that produce oxygen, found in aquatic and terrestrial environments, sometimes causing blooms.