Problem: Two farms were growing food for several nearby cities. Vole farm grew organic produce and produced organic milk, while Anthill farm did not possess the USDA organic certification. Which farm had fewer antibiotic resistant pathogens?

A: Vole

Problem: John is trying to figure out how substance passes through the cell membrane. He noticed two different cases, case A and case B. In case A active transport is involved, but in case B diffusion is involved. He needs to do further study to learn about the details of these processes. Which case would not require energy input, case A or case B?

A: case B

Problem: John was studying the species in African Savannah. He noticed that elands, which is a prey animal, are basically nocturnal. On the other hand, wild boars, another prey animal, are not nocturnal. Would wild boars be less or more active at night than elands?

A: less

Problem: Catherine is throwing her friend a birthday party and is starting to put up decorations. She has finished hanging streamers and now she has to fill the balloons. Having never used a helium tank before, she wants to test how much to fill each balloon. If the pressure gauge on the helium tank is low will the helium leave the tank more quickly or more slowly than if it were high?

A:
more slowly