A stimulus can be internal, or from within the organism itself. A stimulus can also be external, meaning it occurs outside the organism. Both internal and external stimuli can cause a response, or resulting reaction, in an organism. A response can be behavioral or biological. stimulus can be internal, or from within the organism itself. A stimulus can also be external, meaning it occurs outside the organism. Both internal and external stimuli can cause a response, or resulting reaction, in an organism. A response can be behavioral or biological.
The definition of a pretense is a false impression, a false claim or an attempt to make a falsehood appear true. 1  An example of a pretense is when you pretend to be friends with someone you don't like.  An example of a pretense is when you claim to be an expert in something you aren't.
a party, dance, or other festive gathering of persons wearing masks and other disguises, and often elegant, historical, or fantastic costumes. 2. a costume or disguise worn at such a gathering. 3. false outward show; faÃ§ade; pretense: a hypocrite's masquerade of virtue. 4. activity, existence, etc., under false pretenses: