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Science Definition 3

QuestionAnswer
biodiversity the variety of life in the world or in a particular habitat or ecosystem.
keystone species a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically
gene a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring
extinction no longer in existence
endangered species a species of animal or plant that is seriously at risk of extinction
threatened species any species which are vulnerable to endangerment in the near future
habitat destruction the process by which natural habitat is rendered incapable of supporting its native species
habitat fragmentation the process by which habitat loss results in the division of large, continuous habitats into smaller, more isolated remnants
poaching the illegal practice of trespassing on another's property to hunt or steal game without the landowner's permission
captive breeding the process of maintaining plants or animals in controlled environments, such as wildlife reserves, zoos, and botanic gardens
Created by: 24norahblecher