All organisms and the natural cycles of the earth operate: one at a time
together
by themselves
without help

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Variety of living organisms; includes genetic, species, and ecological types.

Diffusion and osmosis are forms of passive transport