In the Fossil Record There Is Evidence That Feathers Were

question 15

Multiple Choice

In the fossil record there is evidence that feathers were produced by which of the following?

• A)Birds
• B)Dinosaurs
• C)Birds and some dinosaurs
• D)Birds and some mammals
• E)Mammals

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Definitions:

\(a _ { 1 }\)

Often represents the first term in a sequence or series in mathematics, particularly in formulas involving arithmetic or geometric sequences.

\(a _ { k + 1 }\)

An element in a sequence, described as the next term (k+1) following the kth term.

\(a _ { 5 }\)

Typically denotes the fifth term in a sequence or series, depending on the context of its use.

\(\left( - \frac { 1 } { 5 } \right) ^ { n }\)

This represents a mathematical expression indicating the nth power of \(-\frac{1}{5}\).