What will happen if photosynthesis could no longer occur on the planet?

Answer 1

remaining oxygen would be used up

Answer 2

The most catastrophic effect would be that molecular oxygen (O2), needed for animal respiration, will be depleted. Furthermore, plants without the photosynthetic process will not produce sugars, a basic content of our diet.

Answer 3

Without photosynthesis plants would stop growing and reproducing.

• Plant life would die out.
• Insects and animals feeding on plants would not have food and they would die out.
• Animals feeding off other animals would no longer have a food supply and they would die out.

Without photosynthesis, algae and other water plants would die out.

• small fish feeding on algae would have no food and die.
• Bigger fish and other aquatic animals would have no food and die out

People who feed off animals, sea life, and plants would have no food and they would die.

Life on our world would be gone.

All that would be left are the fungi that don't rely on photosynthesis.

Possibly some insects would be able to survive living on the fungi alone.

Some animals may survive of these insects.

Eventually, entropy, evolution and natural selection may result in higher orders of fungus and animal life living on fungus resulting in a totally different biosphere than what was known before.

Answer 4

The remaining oxygen would be used up

A.S.Apex :)

Answer 5

Squirrel