Carbon cycle contains an important stage called Carbon fixation. This
stage - Carbon fixation changes carbon dioxide into organic compounds
such as glucose. Which of the following organisms cannot fix carbon? *
algae
maple trees
mushrooms
grass

Mushrooms

Explanation:

Carbon fixation is the process by which inorganic carbon is converted to organic compounds by living organisms. This type of carbon can be found in carbon dioxide.

Carbon dioxide is necessary for the survival of many organisms. Organisms that possess the pigment called chlorophyll perform photosynthesis. In this process, with the help of sunlight, they transform carbon dioxide, water, and minerals from the soil into oxygen, which is released into the atmosphere, and glucose, which they feed on. Organisms that possess chlorophyll are most plants and some protists and bacteria.

Algae, maple trees, and grass are all examples of organisms that perform photosynthesis, which means that they fix carbon.

Mushrooms can't do this as they are fungi, and fungi are not capable of photosynthesis.

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