Question

Which organisms release carbon dioxide as waste?

Answer 1

Animals release waste carbon dioxide when they exhale or breathe out. When decomposers break down dead plants and animals, they too release carbon dioxide. All of the carbon dioxide released into the air by these processes is available to plants for photosynthesis.

Step-by-step explanation:

Answer 2

Consumers, in general, are aerobic creatures that must breathe oxygen to sustain the cellular reactions that release the energy contained in food molecules. These reactions then generate carbon dioxide as a waste product. Animals feed on the plant passing the carbon compounds along the food chain.

Step-by-step explanation: