Species that has enough remaining individuals to survive in the short term, but because of declining numbers, is likely to become endangered in the near future.

person trained to search tropical forests and other ecosystems to find plants and animals that can be used to make medicinal drugs

Breakup of a larger habitat area into smaller areas, usually as a result of human activities.

U.S. law that identifies and protects endangered and threatened species and calls for recovery programs to help species recover to levels where legal protection is no longer needed.

Refrigerated, low-humidity storage environment used to preserve genetic information and endangered plant species.

Process by which wild individuals of a critically endangered species are collected for breeding in captivity, with the aim of reintroducing the offspring into the wild.

International treaty that bans hunting, capturing, and selling threatened or endangered species.

Place that contains living plants on display

Process in which a chemical becomes more concentrated as it moves up the food chain.

In the past, Earth has experienced only one mass extinction.

A threatened species faces a greater chance of extinction than an endangered species.

Many of the world's species provide valuable ecosystem and economic services such as pollination of crops.

Habitat fragmentation can cause species to become more vulnerable to predators, competitor species, disease, and catastrophic event.

The greatest threat to wild species is______.