Which of the Following Is True of Arthropods

question 57

Multiple Choice

Which of the following is true of arthropods?

• A) Synapomorphies among arthropods include exoskeletons made of chitin and a jointed body plan.
• B) Some early Cambrian fossils share some synapomorphies with arthropods.
• C) Arthropods probably came to existence in the Cambrian fully formed.
• D) a and b
• E) a, b, and c

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Definitions:

AC Output Interface Module

A device that allows an industrial control system, such as a PLC, to control or operate AC electrical equipment.

Maximum Current Rating

The highest current an electrical component, device, or circuit can safely carry under specified conditions without exceeding its design limits.

Light

Electromagnetic radiation that can be detected by the human eye, essential for vision and often used in sensors and communication devices.

I/O Modules

Input/Output modules, which are devices used to interface sensors and actuators with a controller or computer, facilitating the input and output of data or control signals.