Everything dies. It is called a nuclear winter when there is so much debris in the atmosphere it blocks the sun. It is speculated that if several nuclear weapons are used the earth would go into a nuclear winter for several years because of the debris in the atmosphere. So, if people survive the blast, radiation sickness, and other conditions they will also have to deal with an age of no sun and live in permanent winter.
All living organisms would eventually adapt.
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The Calvin cycle will produce smaller amounts of glucose.
Less sunlight would likely result in fewer producers. A decrease in producers would cause greater competition among consumers for the decreased food supply.
They allow other organisms to live by consuming plants which receive their energy from the sun. After gathering their energy from the plants, they are most likely eaten by a predator such as a Snowy Owl or Wolf.
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The octopus and shark populations will decline.
The octopus and shark populations will decline.
there would be a decrease of carbon dioxide available to the ecosystem
most of the plants would die
It would either die, or be extremely stunted.
it Will die
The octopus and shark populations will decline.
The Calvin cycle will produce smaller amounts of glucose.
The light-dependent reactions will not occur.
The sloth and coati populations would increase.