Bio Chapter 3 Continued

Front 1

biogeochemical cycles

Back 1

elements, chemical commpounds, and other forms of matter are passed from one organism to another and form one part of the biosphere to another

Front 2

evaporation

Back 2

the process by which water changes from liquid to an atmospheric gas

Front 3

transpiration

Back 3

water evaporating from the leaves of plants

Front 4

nutrients

Back 4

all the chemical substances that an organism needs to sustain life

Front 5

nitrogen fixation

Back 5

bacteria, which lives in the soil and on the roots of plants called legumes, convert nitrogen gas into ammonia

Front 6

primary productivity

Back 6

the rate at which organic matter is created by producers

Front 7

limiting nutrient

Back 7

ecosystem is limited by a single nutrient that is scarce or cycles very slowly

Front 8

algal bloom

Back 8

when an aquatic ecosystem recieves a large input of a limiting nutrient-for example, runoff from heavily fertilized fields-the result is often an immediate increase in the ammount of algae and other producers