Answer:
humans affect the levels of carbon dioxide in the air is by us humans using buring fossil fuels releases a chemical into the atmosphere reducing the amount of force cover and the rapid expansion of farming developing and and
industrial activities Are the least ink carbon dioxide into the atmosphere and changing the balance of the climate system
Ultraviolet is <span>responsible for causing sunburn </span>
Answer:
The correct answer is - decreased population size at all levels.
Explanation:
A decrease in the productivity of producers of an ecosystem will lead to a decrease in all other organisms of the ecosystem including top-level consumers to the bottom-level producers due to the fact that producers provide energy and food to primary consumers.
It is because they are the only organisms that convert the sunlight to usable energy and food that transfer from one trophic level to other, so if the population of producers or their productivity will decrease then there will be decreased population size at all levels.
