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Ch. 23 Sect. 1 Vocab
Australia, the Pacific Realm & Antarctica Geography & History
| Term | Definition |
|---|---|
| coral reef | a rock-like structure built by layers of coral organisms |
| atoll | a ring-shaped reef, island, or chain of islands made of coral |
| indigenous | native to the area in which something is found |
| marsupial | a mammal whose females carry their babies in a pouch |
| invasive species | non-native plants or animals introduced to a new area, intentionally or unintentionally, that disturb habitats of native life forms |
| extinct | completely gone, such as a species of animal or plant |
| feral | wild, having gone wild after it was once domesticated |
| hotspot | an unusually hot part of Earth's mantle |
| coral island | an island created by a gradual buildup of coral skeletons |
| marine | sea-based |
| exoskeleton | a hard external covering that protects corals and other sea animals |