biogeochemical Flashcards
bio
life
geo
earth
chemical
elements/compounds
cycle
loops
matter gets _____
recycled
the forms
water, carbon, nitrogen, phosphorus
plants need water for
photosynthesis
humans/animals need water for
body temperature, blood, removing toxins (peeing)
plants need carbon for
making sugar
humans need carbon for
skin, bones, muscles, organs
humans need nitrogen for
proteins, genetics
humans need phosphorus for
cell membranes, ATP, genetic material
feedback loop
change of cause + effects (input and output)
feedback loops can be
positive or negative
negative feedback loop
minimize change (returning back to normal)
example of negative feed back loop
sweating
positive feedback loop
increases change away from normal
example of positive feedback loop
erosion