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.
humÂ·bug (hÅ­mâ²bÅ­gâ²) n. 1. Something intended to deceive; a hoax or fraud. 2. A person who claims to be other than what he or she is; an impostor. 3. Nonsense; rubbish. 4. Pretense; deception. interj. Used to express disbelief or disgust.