Figure 31-5 Use the Figure to Answer the Corresponding Question(s)

question 19

Multiple Choice

Figure 31-5
Use the figure to answer the corresponding question(s) .
-Refer to Figure 31-5.Which number has been placed on the dorsal surface?

• A)1
• B)2
• C)3
• D)4

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Definitions:

Molecular Data

Information obtained from the analysis of the molecular structure of biological substances, such as DNA, RNA, and proteins, used for studying genetic relationships and evolutionary patterns.

Structural Differences

Variations in the physical or anatomical organization between objects, organisms, or systems.

Evolutionary History

Refers to the sequence of events and changes that have led to the current diversity and form of life on Earth.

Derived Characters

See shared derived characters.