Question: You are presented with the question "What occurs when many muscles contract a little bit all at once?" and the following answer choices: - the production of cells - preventing heat transfer - To keep their body heat. - the production of heat - Generating heat - recovery time from fatigue - the production of cold - the production of skin Now knowing that shivering occurs when many muscles contract a little bit all at once and involuntary contractions, shivering, cause the production of heat, choose the best answer.
Answer: the production of heat

Question: You are presented with the question "what are steroids made of?" and the following answer choices: - an anion - glucose - lmestone - Acids - Energy. - lipids - reduce - Energy Now knowing that steroid hormones are made of lipids, such as phospholipids and cholesterol and steroids Steroids are lipids derived from cholesterol, choose the best answer.
Answer: lipids

Question: You are presented with the question "What does potassium do for an animal?" and the following answer choices: - duplicate itself - Regrows it - Relieve pain - protect them - food and shelter - motility - Helps it survive - heating liquids Now knowing that an animal requires nutrients for survival and potassium is an essential nutrient for plants and animals, choose the best answer.
Answer:
Helps it survive