| Definition | Vocab Word |
|---|
| When a species can no longer be found anywhere on the earth | |
| The acronym biodiversity researchers use to summarize the most important direct causes of extinction resulting from human activites | |
| Wild species with so few individual survivors that the species could soon become extinct in all or most of its natural range | |
| When substantial preliminary evidence indicates that an activity can harm human health or the environment, we should take precautionary measures to prevent or reduce such harm even | |
| Natural, low rate of species extinction | |
| Expressed as a percentage or number of species that go extinct within a certain time period | |
| Wild species that is still abundant in its natural range but is likely to become endangered because of a decline in numbers | |
| The extinction of many species in a relatively short period of geologic time | |
| Occurs when a large, intact area of habitat is divided into smaller, isolated patches or 'habitat islands' | |
| When some or all of the wild individuals of a critically endangered species are collected for breeding in captivity, with the aim of reintroducing the offspring into the wild | |
Periodic Table
Digits of Pi
Minute Math (Addition)
