Unicellular organisms are made up of only one cell. And multicellular organisms has cells specialized to perform different functions that collectively support the organism
Asking them, that’s the easiest way. If they are fighting you or telling you no that means they don’t want to do back off. There are quite a few indicators that someone doesn’t want to have sexual relations with you.
Temperature is considered to be an important factor that affects the metabolism of animals. Heat is caused by a high temperature and this element of heat serves as a catalyst for metabolism to take place. Generally, high temperatures increases metabolic rate while low temperatures decrease metabolic rate.
British, Spanish, French (I think)