Why Is the Teenage Pregnancy Rate in the United States

question 17

Short Answer

Why is the teenage pregnancy rate in the United States much higher than in other developed countries? Why should this be of any concern?

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Definitions:

Pfr

Phytochrome Far-red form, a light-absorbing form of the phytochrome plant photoreceptor, significant in regulating plant development in response to light.

Nerve Cord

A major nervous system component in many animals, typically running along the length of the body and functioning as the central pathway for nerve impulses.

Annelids

A phylum of invertebrate worms known for their segmented bodies, which includes earthworms, leeches, and polychaetes.

Arthropods

A diverse phylum of invertebrate animals that have an exoskeleton, a segmented body, and paired jointed appendages, including insects, arachnids, and crustaceans.