mammals such as seals, otters, whales and some other marine animals actively hunted for fur, skin, meat, fat, and their ivory. (Jablonski., 2001) A number of mass extinction events have occurred throughout geological time. Natural pollution events may result from cataclysmic geographic processes like volcanic eruption, floods and earthquakes, or from overpopulation of ecosystems by specific species or other processes.
Extinction is nothing new, but what is new are some of the.
H Habitat: There are many reasons animals become extinct.
One of the most common reason is loss of habitat.
The Earth constantly changes, but human activity is having.
Effects of animal extinction.
Extinction events occur continually this results in regular change of all species on the planet and is known as background extinctions, sometimes however extinction rates rise suddenly for a relatively short time ideal student teacher relationship essay and this is a mass extinction. What could be the reasons behind this? Effect of human action has resulted in changes to natural ecosystems and ultimately life threatening nature. If people loss their house, they will not have any shelter and live without protection. This is why diseases are always counteracted with speed.
Effect of animal extinction essay