captivity
Noun

confinement or imprisonment.
conservation
Noun

management of a natural resource to prevent exploitation, destruction, or neglect.
critical
Adjective

very important.
development
Noun

construction or preparation of land for housing, industry, or agriculture.
ecosystem
Noun

community and interactions of living and nonliving things in an area.
endangered species
Noun

organism threatened with extinction.
extinction
Noun

process of complete disappearance of a species from Earth.
habitat
Noun

environment where an organism lives throughout the year or for shorter periods of time.
migration corridor
Noun

area connecting wildlife habitats disturbed and interrupted by human activity. Also called a green corridor.
pollinator
Noun

animal, object, or force such as wind that transfers pollen from one plant to another, allowing seeds to develop.
preservation
Noun

protection from use.
remote
Adjective

distant or far away.
swamp
Noun

land permanently saturated with water and sometimes covered with it.
threatened species
Noun

organism that may soon become endangered.
wild
Adjective

living in nature, not tame.
wildlife
Noun

organisms living in a natural environment.
zoo
Noun

place where animals are kept for exhibition.
  • Credits

    Media Credits

    The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit. The Rights Holder for media is the person or group credited.

    Last Updated

    May 14, 2020

  • User Permissions

    For information on user permissions, please read our Terms of Service. If you have questions about licensing content on this page, please contact ngimagecollection@natgeo.com for more information and to obtain a license. If you have questions about how to cite anything on our website in your project or classroom presentation, please contact your teacher. She or he will best know the preferred format. When you reach out to him or her, you will need the page title, URL, and the date you accessed the resource.

    Media

    If a media asset is downloadable, a download button appears in the corner of the media viewer. If no button appears, you cannot download or save the media.

    Text

    Text on this page is printable and can be used according to our Terms of Service.

    Interactives

    Any interactives on this page can only be played while you are visiting our website. You cannot download interactives.