Our own selves. The greed, hatred for one another, and lack of respect and love are the worse threats to humanity.
it is 88574614
mammoth
POLLUTION!
The entire population of china will be enough to make a Chinese wall comprised of human beings.
I go to Hunter,too! I'm in 7-6!
Almost the size of Michael Moore.
THis could be possible
Breeding. Human population is probably the greatest single threat.
Egypt is home to 100 mammal species, however there is no known exact number of animals in the entire country. Egypt has an estimated human population of 86,502,500.
yes, we will all die by the year 2099
Human impact on the tundra has generally not been a positive one. Because the tundra is such a delicate environment, even the slightest change in conditions can threaten the entire biome. Recent human activities have largely undermined the habitat of the indigenous wildlife through pollution and overdevelopment....
What will cause a decline in the human population is loss of fish, dirty water, a whole in the ozone layer. These are just three causes that could decrease mankind.