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 prefix occurring originally in loanwords from Latin, where it meant âbeforeâ (preclude; prevent); applied freely as a prefix, with the meanings âprior to,â âin advance of,â âearly,â âbeforehand,â âbefore,â âin front of,â and with other figurative meanings (preschool; prewar; prepay; preoral; prefrontal). Expand.