Types of behaviour enabling pillbugs to reach moist area is___________?

Correct answer: A. Kinesis

  • A. Kinesis
  • B. Taxes
  • C. Instinct
  • D. Learning

Explanation

Pillbugs respond to humidity by changing the speed of their movement, moving more rapidly in dry conditions and slowing in moist conditions; this is kinesis. Kinesis is a non-directional response whose rate depends on stimulus intensity, whereas taxis involves movement directly toward or away from a stimulus. The likely alternative is taxis, but pillbugs do not need to detect and move in a fixed direction toward moisture.

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