Which of the Following Threats to Biodiversity Impacts a Specific

question 16

Multiple Choice

Which of the following threats to biodiversity impacts a specific species at one time, but also has the capacity to impact many other species due food-web interactions?

• A) introduced species
• B) habitat destruction
• C) increased levels of atmospheric carbon dioxide, a cause of global warming
• D) overharvesting

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Definitions:

Secreted by the Hypothalamus

Produced and released by the hypothalamus, a region of the brain responsible for hormone production and regulation.

Orexin

A type of neuropeptide that plays an important role in regulating arousal, wakefulness, and appetite.

Set Point

A theory suggesting that individuals have a pre-set, natural body weight or condition that the body regulates and tends to maintain.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, carrying out household chores, traveling, and engaging in recreational pursuits.