Extinction Is a Natural Phenomenon

question 46

Multiple Choice

Extinction is a natural phenomenon. It is estimated that 99% of all species that ever lived are now extinct. Why then do we say that we are now in a biodiversity crisis?

• A)Humans are ethically responsible for protecting endangered species.
• B)Scientists have finally identified most of the species on Earth and are thus able to quantify the number of species becoming extinct.
• C)The current rate of extinction is high and human activities threaten biodiversity at all levels.
• D)Humans have greater medical needs than at any other time in history, and many potential medicinal compounds are being lost as plant species become extinct.
• E)Most biodiversity hot spots have been destroyed by recent ecological disasters.

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Definitions:

Diversification

A business strategy that involves entering into new markets or adding new products to a company's portfolio to reduce risk and capitalize on new opportunities.

Diffusion of Innovation Curve

A model that illustrates the adoption of a new product or technology over time, categorizing adopters into segments such as early adopters and laggards.

Diffusion of Innovation

A theory that explains how, why, and at what rate new ideas and technology spread through cultures.

Daily Specials

Unique or discounted items or services offered on a particular day, often used by restaurants or retailers to attract more customers or promote certain products.