Endangered Species
Well over 900 plants and
animals are endangered, and hundreds more are threatened. Many of the
reasons certain animals are disappearing forever are because of human
activities.
Five Major Causes
The mnemonic HIPPO represents the five major causes of declining wildlife biodiversity:
H - Habitat Loss
I - Invasive Species
P - Pollution and Pesticides
P - Population Growth (human) and the Pet Trade
O - Over-hunting and Over-collecting