IBDP Biology- Innate and Learned Behaviour

In this IBDP Biology blog post, it will include the differences and meanings between innate and learned behaviour.

Distinguishing between innate and learned behaviour  

Innate behavior

• behaviour shown in all normal members of a species
• despite any variation in environmental influences

Learned behavior

• modification of behavior as a result of experience  

Experiments to investigate innate behaviour 

Taxis:

• locomotion of an organism
• in a particular direction
• in response to an external stimulus

Examples:

• Planaria moves towards food = positive chemotaxis
• Euglena moves towards light = positive phototaxis

Kinesis:

• the movement (as opposed to growth) of an organism or a cell
• in response to a stimulus
• such that rate depends on intensity, but not direction, of the stimulus

Example:

• woodlice move about less in optimum, humid, conditions, and more in unfavorable, dry conditions 

That is all!

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References:

• https://www.google.com/url?sa=i&url=https%3A%2F%2Fcommons.wikimedia.org%2Fwiki%2FFile%3AFigure_45_07_07.jpg&psig=AOvVaw2ZbRnsuLMdXQ5E-0GWAoWI&ust=1627294437552000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCOi616n-_fECFQAAAAAdAAAAABAI
• https://www.google.com/url?sa=i&url=http%3A%2F%2Fib.bioninja.com.au%2Foptions%2Foption-a-neurobiology-and%2Fa4-innate-and-learned-behav%2Finnate-behaviour.html&psig=AOvVaw0-lnH8z5tLXYkzkzbEzTy0&ust=1627291596471000&source=images&cd=vfe&ved=0CAsQjRxqFwoTCJCL8rv-_fECFQAAAAAdAAAAABAD

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