Scientists Have Described Most of the Species Living on Earth

question 60

Multiple Choice

Scientists have described most of the species living on Earth. True or False?

• A) False. There are about 50 billion, and they haven't nearly all been found.
• B) True. There are about 1.3 million.
• C) False. There are 30 million described, but there may be about 50 million out there.
• D) True. There are about 30 million described.
• E) False. There are about 1.3 million described but there may be 30 million living now.

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Definitions:

Third Year

Typically refers to the third year in a sequence, such as the third year of an academic program or the third year of a company's operation.

Total Project Cost

The complete financial expenditure required to finish a project, including all direct and indirect costs.

Quantity of Sales

The total number of units sold of a particular product or service within a specific timeframe.

First Year

The initial year of a particular time frame or activity, often used to set a baseline for comparison.