In Life Sciences it is important to note that whenever a structure has an increased surface area, there is an increase in the functioning of that structure.  A structure with an increased surface area will increase or decrease in functioning?
increase

Less photosynthesis means that plants and phytoplankton produce less food.  Sarah's plants have been greatly photosynthesizing regularly, so that means that the plants now produce food in amounts that are lesser or greater?
greater

In erosion, a slower moving stream will only carry smaller particles.  If the speed of a stream increases, the size of the particles carried in that stream increase or decrease?
increase

The higher up a food chain that humans eat, the greater the levels of toxic metals they take in.  Mike is studying what humans eat. Bears are higher up the food chain than mosquitoes. Therefore, if humans were to eat bears, they would likely be taking in less or more levels of toxic metals?
more