Apeacock spreading its tail to attract a mate is sending stimulus

The correct answer is:

external

Explanation:

Physiology Something that can obtain or provoke a physiological answer in a cell, a tissue, or an organism. A stimulus can be internal or external. Sense organs, such as the ear, and sensory receptors, such as those in the skin, are receptive to outside stimuli such as noise and touch. A stimulus can be external, indicating it happens outside the organism.

slitherio is the original. its the best friend of all middle schoolers. the man you can count any time you have some free time. slitherio is the guy you hang with while you're in the computer lab suppose to be doing "research or whatever". slitherio isn't just a game but a friend.

wormaxio is just a fake trying to squeeze its way into the friend group. trying to pretend its cool and your best pal but how long has it really been there for you, really. it only wants you as friend to boost its social status. wormaxio is just annoying fake pleb. no offense

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