英文字典,中文字典,查询,解释,review.php


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       


安装中文字典英文字典辞典工具!

安装中文字典英文字典辞典工具!










  • 100 potential new deep-sea species discovered, including . . .
    The team collected almost 1,800 samples from depths as far down as 3 miles (4,800 meters), finding species of fish, squid, mollusk and coral that they believe are new to science
  • Reptile - Wikipedia
    The lepidosaurs appear to have lost the duplex retina and only have a single class of receptor that is cone-like or rod-like depending on whether the species is diurnal or nocturnal [115] In many burrowing species, such as blind snakes , vision is reduced
  • Black-backed jackal - Wikipedia
    The black-backed jackal (Lupulella mesomelas) is a medium-sized canine native to eastern and southern Africa These regions are separated by roughly 900 km (560 mi) One region includes the southernmost tip of the continent, including South Africa, Namibia, Botswana and Zimbabwe
  • Ecology - Wikipedia
    Ecology has practical applications in fields such as conservation biology, wetland management, natural resource management, and human ecology The word ecology (German: Ökologie) was coined in 1866 by the German scientist Ernst Haeckel The science of ecology as we know it today began with a group of American botanists in the 1890s [1]
  • Basic Information about Coral Reefs - US EPA
    Habitat, feeding, spawning, and nursery grounds for over 1 million aquatic species, including commercially harvested fish species Food for people living near coral reefs, especially on small islands Recreation and tourism opportunities, such as fishing, scuba diving, and snorkeling, which contribute billions of dollars to local economies
  • IUCN Red List - Wikipedia
    Comparing the number of species in each category of IUCN Red List 1994 IUCN Red List categories (version 2 3), used for species which have not been reassessed since 2001 There have been a number of versions, dating from 1991, including: [29] [30] Version 1 0 (1991) Version 2 0 (1992) Version 2 1 (1993) Version 2 2 (1994) Version 2 3 (1994)


















中文字典-英文字典  2005-2009