The Great Size and Mobility of the Vertebrates Are Likely

question 96

Multiple Choice

The great size and mobility of the vertebrates are likely the result of

• A) lungs used for respiration.
• B) four- chambered hearts.
• C) increased brain size and complexity.
• D) uterine development of offspring.
• E) lightweight endoskeletons.

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Definitions:

Personal Computer

A small, relatively inexpensive computer designed for individual use, capable of running general-purpose applications and accessing the internet.

Scan Time

The duration a programmable logic controller (PLC) takes to read inputs, execute its program, and update outputs in one complete cycle.

User Program

A set of instructions created and designed by users to be executed by computers or programmable devices.

Fixed PLC

Refers to a PLC whose configuration in terms of I/O capacity or slots is not expandable, limiting modification or extension.