Overharvesting of Species We Consume Is the Single Biggest Cause

question 25

Multiple Choice

Overharvesting of species we consume is the single biggest cause of species becoming endangered. True or false?

• A) True. As human population grows we need more and more to eat, so this is generally the reason species become endangered.
• B) True. Food species are increasingly going extinct these days.
• C) It's not at all clear what causes most species to become endangered because there are so many factors.
• D) False. We don't really overharvest most economically important resources.
• E) False. This does happen, but we're learning how to harvest sustainably and conservation programs have been successful bring exploited species back from the brink.

Understand the limitations of auditory processing and the theories related to pitch perception.

Comprehend the role and process of olfaction and gustation in sensory experience.

Identify the distinctive characteristics and importance of the umami taste.

Recognize the adaptive aspect of taste in distinguishing nutrients from toxins.

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Definitions:

Atrioventricular Valve

Heart valves located between the atria and ventricles of the heart, facilitating unidirectional blood flow.

Bicuspid Valve

A valve in the heart that has two cusps or flaps, and controls blood flow between the left atrium and the left ventricle; also known as the mitral valve.

Sinoatrial Node

The heart's natural pacemaker, located in the right atrium, responsible for initiating the heart's contractions.

Atrioventricular Node

A part of the electrical conduction system of the heart that helps regulate the heart rate by transferring signals from the atria to the ventricles.