In many areas on Earth, the carbon cycle is being influenced by an increase in the amount of fossil fuels being burned by humans. When fossil fuels are combusted, carbon dioxide is released into the atmosphere.
Which of the following describes a possible effect that an increase in carbon dioxide in the atmosphere would have on an ecosystem?
A.
Plant productivity would increase because more carbon dioxide would be available for photosynthesis.
B.
Animal productivity would increase because more carbon dioxide would be available for cellular respiration.
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.
1 answer
A. Plant productivity would increase because more carbon dioxide would be available for photosynthesis.
14 answers