As Many as _____ Percent of Zygotes Do Not Survive

question 18

Multiple Choice

As many as _____ percent of zygotes do not survive the first two weeks.

• A) 20
• B) 30
• C) 40
• D) 50

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Definitions:

Teratogens

Agents or factors that can cause developmental malformations or defects in an embryo or fetus.

Environmental Factors

Aspects of the surroundings that can affect processes, behaviors, and development, encompassing both natural and human-made influences.

Human Development

The multidisciplinary study of how people change and how they remain the same over time, considering physical, cognitive, social, and emotional aspects.

Gerontology

The study of aging and the problems that elderly individuals encounter.