They need to have a q system perspective in order to work.
this is not a health question
Discrete
It is not continuous because free throws are separate events.
Categories of age, sex, race, and urgency of admission, are all risk to a nosocomial infection
Start with your producers, or plants (grasses, flowers, etc.). Then your 1st level consumers (herbivores), like grasshoppers, mice, etc. Then your second level producers (carnivores and omnivores) that eat the herbivores (like birds). And keep going, knowing each of the levels get eaten by each other. 10% of energy is transferred in each level. An example might be...
Grass > Mice > Hawk > Vulture