Which of the following describes a possible effect that an increase in carbon dioxide in the atmosphere would have on an ecosystem?
A
Animal productivity would increase because more carbon dioxide would be available for cellular respiration.
B
Plant productivity would increase because more carbon dioxide would be available for photosynthesis.
C
All of the organisms would immediately die because carbon dioxide is poisonous to both plants and animals.
D
Plant productivity would completely stop because plants cannot use carbon dioxide for life processes.
A
B
C
D