One Contributing Factor of the Declines in Many Frog Species

question 40

Multiple Choice

One contributing factor of the declines in many frog species is that frog eggs have ____.

• A) shells that prevent frog embryos from hatching easily
• B) shells that are permeable to water pollutants
• C) no shells to protect from embryos from predation
• D) no shells to protect frog embryos from dehydration
• E) no shells to protect frog embryos from water pollutants

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Definitions:

Product Life Cycle

The stages a product goes through from its introduction to the market until its decline and eventual withdrawal.