The greatness of a nation can be judged by the way its animals are treated

Humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduced of invasive species such as new predators and food competitors, overhunting, and other influences. … Several species have also been listed as extinct since 2004.

Diminished resources or introduction of new competitor species also often accompany habitat degradation. Global warming has allowed some species to expand their, range, bringing unwelcome competition to other species that previously occupied that area.

Extinctions happen when a species dies out from cataclysmic events, evolutionary problems, or human interference.

The truth is, scientists don’t know how many species of plants, animals, fungi, and bacteria exist on Earth. The most recent estimate put that number at 2 billion, and that will most likely change at some point.

One thing we do know : The western black rhinoceros, the Tasmanian tiger, and the woolly mammoth are among the creatures whose populations at one point dwindled to zero, and it’s possible that species extinction is happening a thousand times more quickly because of humans.

Extinction happens when environmental factors or evolutionary problems cause a species to die out.

The disappearance of species from Earth is ongoing, and rates have varied over time. A quarter of mammals is at risk of extinction, according to IUCN Red list estimates.

To some extent, extinction is natural. Changes to habitats and poor reproductive trends are among the factors that can make a species death rate higher than its birth rate for long enough that eventually, none are left.

Humans also cause other species to become extinct by hunting, over harvesting, introducing invasive species to the wild, polluting, etc..

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