During the Course of Successful Prenatal Development,a Human Organism Begins

question 49

Multiple Choice

During the course of successful prenatal development,a human organism begins as a(n) :

• A)fetus and finally develops into a zygote.
• B)embryo and finally develops into a zygote.
• C)zygote and finally develops into a fetus.
• D)fetus and finally develops into an embryo.

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Definitions:

Modern Cetaceans

Refers to the current species of whales, dolphins, and porpoises, highly adapted marine mammals with a fully aquatic lifestyle.

Fluke

Parasitic flatworms that belong to the Trematoda class, often causing diseases in livestock and humans.

Convergent Evolution

The process where organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments.

Natural Selection

A fundamental mechanism of evolution where organisms better adapted to their environment tend to survive and produce more offspring.