It would start to decrease because they will start dying due to no food
they would die or roam around.
they die
Economic productivity would decline.
Because there is a population that has not been vaccinated against it. It is a viral disease, spread person to person. Vaccination prevents transmission of the disease.
Economic productivity would decline.
There would be a larger population of algae on the earth.
soem of the remaining animals are likley to become immune to the disease but it is posible for extinction by other diseases and preditors and deforestation.
As the temperature is reduced, the motion of the molecules is also reduced.
Yes, if the population is dying out faster than new members are being born. Disease and warfare can be two reasons why this might happen.
What do you think will happen to animals and humans if the amount of oxygen in the air is reduced?
if forest coverage is reduced, the natural disaster will increase.
If a population has abudant space and foor, and is protected from predators and disease, then organisms in that population will multiply and the population size will increase.