causes a decreses in nature happens when us human biengs destory naature for example cutting trees and causing pollution
A population of an animal would decrease because of animal testing. 3/5 people agree.
probably because they are an easy meal for hunters (animal hunters not people)
A low birth rate and environmental hazards are two things that can cause a population to decrease.
Immigration, decrease in infant mortality, increase in birth rate, decrease in mortality.
Since World War II Polish population was increasing, but in 2013 it started to decrease.
Loss of habitat :)
A population of an animal would decrease because of animal testing. 3/5 people agree.
it is an environmental factor that causes a population to decrease.
It is called a limiting factor.
None. Big population drops are usually caused by starvation.
It Deceases Because The Habit Destruction & Deer
Polluted water can cause a decrease in animal population. This is possible if the pollutant is toxic and harms creatures in the water or those that drink the water.
death of an animal could lead to reduction in population
The population's size will decrease.
The population of a place, numerous vehicles, and a great size in factories.
probably because they are an easy meal for hunters (animal hunters not people)
economic causes