Q: Q: What are solid lipids that animals use to store energy called? Choices: - steroids - cholesterol - hydrocortisol - fats A:
A: fats

Q: Q: The values of which factors are controlled by the experimenter over the course of an experiment? Choices: - other variables - independent elements - independent approaches - independent variables A:
A: independent variables

Q: Q: What is the term for the span in the life of an organism from one generation to the next? Choices: - time consumption - era - life span - life cycle A:
A: life cycle

Q: Q: What small biological structures make up all living things, including the human body? Choices: - proteins - scales - lipids - cells A:
A: cells