Movement of carbon- photosynthesis & respiration

Question 1

the sunlit surface waters of the oceans are called the ……….zone

Answer 1

euphotic zone

Question 2

tiny marine plants which photosynthesise are called

Answer 2

phytoplankton

Question 3

plants use energy from sunlight to combine CO2 from the atmosphere and water to form

Answer 3

carbohydrates

Question 4

CO2 + H2O + sunlight =

Answer 4

CH2O + O2

Question 5

respiration is the process in which

Answer 5

plants and other organisms use some of the stored carbohydrates as an energy source to carry out life functions

Question 6

in respiration, oxygen from the atmosphere is combined with

Answer 6

the carbohydrates to liberate the stored energy

Question 7

though respiration and photosynthesis are opposite processes, they are not

Answer 7

balanced, with more oxygen being added to the atmosphere over time than removed, and more CO2 removed than added