C2-4 Phosphorous Cycle

Question 1

Minerals become available to organisms after they are released from

Answer 1

rocks or salts

Question 2

two mineral cycles of particular significance to organisms are

Answer 2

phosphorus and sulfur

Question 3

these are primary participants in energy-transfer reactions at the cellular level

Answer 3

energy-rich phosphorus-containing compounds

Question 4

producer organisms take in

Answer 4

inorganic phosphorus, then pass it onto consumers

Question 5

phosphorus cycles through

Answer 5

ecosystems

Question 6

these greatly speeded the use and movement of phosphorus in the environment

Answer 6

mining of fertilizers

Question 7

most phosphate ores are used for ___ and _____

Answer 7

detergents and inorganic fertilizers

Question 8

it is an important water pollutant

Answer 8

phosphorus

Question 9

these can stimulate explosive growth of algae and photosynthetic bacteria populations (algae blooms) that upsets ecosystem stability

Answer 9

excess phosphates