question: Write a question you would see in a school textbook. OPTIONS:
- It maintains a constant body temperature.
- It prevents damage to internal organs.
- It makes oxygen for all the cells in the body.
- It supplies the body's needs for growth and energy.
answer: Why is a healthy diet important?

question: Write a question you would see in a school textbook. OPTIONS:
- nutrients in the cows' food
- essential minerals in the cows' water
- electrical impulses in the cows' brains
- information in the cows' chromosomes
answer: The cows in a rancher's herd of cattle have been selectively bred to produce milk. Which of the following will cause the next generation of cows to receive the trait for producing large quantities of milk?

question: Write a question you would see in a school textbook. OPTIONS:
- over hunting
- water pollution
- airborne diseases
- increased deforestation
answer:
The populations of black rhinoceroses have been impacted by human interactions to the point of being endangered. Which interaction best explains why the black rhino is now endangered?