1 Resultaten gevonden voor "Bestand:Cats;_aggression,_animal_emotions_and_facial_expression;_ethology,_physiology,_biology.jpg".

Bestand:Cats; aggression, animal emotions and facial expression; ethology, physiology, biology.jpg

behaviour is an example of an expression of fear and aggression in "The expression of the emotions in man and animals" by Charles Darwin. determination...

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