Answer to Question 1ANS: D
Phosphorus is also used to carry energy within the cell. Phosphorus enters the ocean via rivers and
precipitation in organic form when organisms die. It then converts to phosphate for further use.
Information can be found in the section Elements Cycle between Living Organisms and Their
Surroundings
Answer to Question 2ANS: C
Energy gets transformed into chemical energy by chlorophyll in primary producers. The primary
produces are then able to use that energy to make sugars for food. Other animals obtain this food and
energy by consumption. Information can be found in the section The Flow of Energy through Living
Things Allows Them to Maintain Complex Organization
Gunnera growing on nitrogen-poor soil.
Diverse living organisms share common chemical features
Secondary and Tertiary Structure of Nucleic Acids
Relationship between inorganic and organic nitrogen metabolism
GDP per Capita versus Carbon Dioxide Emissions per Capita
Omega-3 and Omega-6 Fatty Acids.