marine relict

marine relict
   An animal whose presently extinct ancestors lived in salt water but became adapted to life in fresh water when an area formerly covered by the sea became dry land [23].

A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. . 2002.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • glaciomarine relict — a relict from glacial times and a marine environment, e.g. Myoxocephalus thompsoni …   Dictionary of ichthyology

  • karstic marine terrace —    A relict, wave cut terrace or solution platform formed across soluble bedrock (e.g., limestone), and subsequently subaerially weathered by solution resulting in prominent karst features (e.g., sinkholes, karst valleys, solution pipes, etc.); a …   Glossary of landform and geologic terms

  • Continental shelf — Marine habitats Anatomy of a continental shelf off the south eastern coast of the United States Littoral zone Intertidal zone …   Wikipedia

  • sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …   Universalium

  • Crow's Nest, Stafford County, Virginia — Crow s Nest is a large wilderness area located on the southern border of Stafford County, Virginia, on Potomac Creek. The greater portion of the Crow’s Nest Peninsula is approximately 3,800 acres (15 km2) and lies within the coastal plain of …   Wikipedia

  • continental landform — ▪ geology Introduction       any conspicuous topographic feature on the largest land areas of the Earth. Familiar examples are mountains (including volcanic (volcanism) cones), plateaus, and valleys. (The term landform also can be applied to… …   Universalium

  • Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… …   Universalium

  • Principal national parks of the world — ▪ Table Principal national parks of the world Africa Europe and Russia Asia North America and the Caribbean Australia and Oceania South America Africa country national park date area description protected status national park status square miles… …   Universalium

  • List of endangered animal species — This is a list of endangered animal species according to the World Conservation Union (IUCN) Red List. The list includes endangered species of the kingdom Animalia. NOTOC A* Acheilognathus elongatus * Acipenser Endangered * Acrocephalus… …   Wikipedia

  • nearshore zone —    I.    A subaqueous marine or lacustrine landform area that generally parallels the shore and extends seaward or lakeward from the low water line to beyond the breaker zone including longshore bars. In the nearshore zone, waves steepen, break,… …   Glossary of landform and geologic terms

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”