Almost All Life on Earth Is Directly or Indirectly Dependent

question 63

Multiple Choice

Almost all life on Earth is directly or indirectly dependent on

• A) predation.
• B) solar energy.
• C) physical productivity.
• D) human civilization.

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Definitions:

Unvaccinated Animals

Animals that have not received vaccinations to protect them against specific diseases they are susceptible to.

Hemophilus

A genus of bacteria, some species of which can cause diseases such as pneumonia and meningitis in humans.

Gram-negative

Refers to bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.

Anaphylactic Reaction

A severe, potentially life-threatening allergic reaction that can occur rapidly after exposure to an allergen.