Which of These Might Have Been Observed in the Common

question 4

Multiple Choice

Which of these might have been observed in the common ancestor of chondrichthyans and osteichthyans?

• A) a mineralized, bony skeleton
• B) opercula
• C) bony fin rays
• D) a spiral valve intestine
• E) a swim bladder

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Definitions:

Heuristic

A problem-solving strategy that uses a practical approach or shortcut to produce solutions that are good enough for the situation.

Algorithm

A fixed, step-by-step procedure for solving a problem or completing a task, often used in computing and mathematics.

Algorithmic Method

a systematic, step-by-step procedure or set of rules used to solve a problem or accomplish a task.

Mnemonic Device

A tool that aids in the memorization of information by associating easy-to-remember constructs with complex data.