Which of the Following Statements About Amphibians Is True

question 59

Multiple Choice

Which of the following statements about amphibians is true?

• A) Amphibians are represented by about 500 species of frogs, toads, and salamanders.
• B) Populations of amphibians in a few local areas have declined dramatically in the last few decades.
• C) Amphibians lay their eggs in dry, sandy areas close to a source of water.
• D) Their moist, absorptive skin makes amphibians very susceptible to environmental contaminants.
• E) Scientists increasingly perceive amphibians to be fair-weather species.

Apply principles of probability to evaluate outcomes of specific events.

Differentiate between dependent and independent events.

Understand and apply concepts of the complement of an event.

Comprehend and use the terminology specific to probability theory (experiment, sample space, event, outcome).

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Definitions:

Amino Acid

Organic compounds that serve as the building blocks of proteins, containing both amino and carboxyl functional groups.

Letter Symbol

A character used to represent an element or compound in chemical equations.

Amino Acid

Organic compounds that combine to form proteins, containing an amino group and a carboxylic acid group, serving as the building blocks of proteins.

Letter Symbol

An alpha-numeric representation used to simplify and symbolize a chemical element or concept.