Which are the best tools to use for growing and studying bacterial cultures?
A: Petri dishes

Why does the leaf of a plant look green?
A: Because it reflects green light

Some ancient Greeks tried to discover the laws of the universe through thought and logic. Which part of the scientific process were these scientists missing?
A: experiment

Which animals live part of their lives in water and part on land, and go through metamorphosis?
A:
amphibians