Q: What occurs when a substance diffuses through a cell membrane without any help from other molecules? Choices: - simple filtration - visible diffusion - visual diffusion - simple diffusion A:
simple diffusion

Q: If the amount of force of that is applied is increased, what happens to the work that a machine is producing? Choices: - it's unchanged - it is harder - it's variable - it is easier A:
it is easier

Q: What is defined as a change in the inherited traits of organisms over time? Choices: - variation - divergence - generation - evolution A:
evolution