Q: Q: What do scientists think are the oldest eukaryotes? Choices: - arthropods - fungi - prokaryotes - protists A:
A: protists

Q: Q: Smog is one example of what type of pollution? Choices: - light - energy - sound - air A:
A: air

Q: Q: Opportunistic diseases are usually the direct cause of death of people with what disease? Choices: - heart - parkinson - liver - aids A:
A: aids

Q: Q: Transforming from a caterpillar to a butterfly requires a lot of what? Choices: - Water - fuel - food - energy A:
A: energy