Which of the Following Is True

question 8

Multiple Choice

Which of the following is true?

• A)Species on Earth today are but a fraction of all species that ever lived.
• B)Bacteria represent a newer form of life, not present during the early prehistory of Earth.
• C)The number of species existing at one time has decreased throughout history.
• D)Until recent history, extinctions have always happened gradually and on a small scale.
• E)Most organisms present early in Earth's prehistory were more complex than modern organisms.

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Definitions:

Career

The pursuit of a lifelong ambition or the general course of progression towards lifelong goals.

Equally Likely

A term used in probability to describe events that have the same chance of occurring.

Probability

A numerical value representing the chance of an event's occurrence, between 0 and 1, where 0 stands for impossible and 1 for certain.

Ace of Spades

A specific playing card in a deck, often considered the highest card in the suit of spades and sometimes associated with special significance.