Q: One way to protect against food poisoning is to

OPTIONS:
- cook food to proper temperatures.
- combine different types of food.
- store food in glass containers.
- defrost meat slowly on the counter.
A: cook food to proper temperatures.
Q: The cheetah population around the world has decreased because of poaching and loss of habitat. The surviving population is found to have similar alleles. Which factor is endangering the species' survival the most?

OPTIONS:
- harmful genetic mutations
- shrinking of the gene pool
- decrease in competition
- increase in adaptations
A: shrinking of the gene pool
Q: Why is it important to repeat an experiment several times?

OPTIONS:
- to use up all the materials
- to give all the students the chance to participate
- to collect more data to fit the hypothesis
- to determine if the results are similar
A: to determine if the results are similar
Q: A disorder is associated with certain flaws in the human respiratory system. Which is most likely a typical symptom of this disorder?

OPTIONS:
- poor vision
- difficulty breathing
- reduced muscle mass
- increased saliva production
A:
difficulty breathing