The Rough-Skinned Newt Produces One of the Most Potent Toxins

question 26

Multiple Choice

The rough-skinned newt produces one of the most potent toxins on the planet. Scientists in Oregon have found that as newts evolve to produce a more deadly toxin, their primary predator, the garter snake, evolves ways to resist the toxin. This is an example of

• A)ecological trade-offs in the evolution of the newt.
• B)an adaptation of the newt to living in aquatic environments.
• C)reproductive isolation in a population of garter snakes.
• D)coevolution of predator and prey.

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Definitions:

Sequencer Instruction Mask

A technique or parameter used in programming sequencers to define which bits or pieces of data within a sequence are relevant for specific instructions or conditions.

Synchronously

Occurring at the same time, or operating in unison, often used to describe processes that are coordinated to happen together.

Sequencer Load Instruction

A PLC programming command used to load a sequence of data or instructions for the purpose of executing them in order.