英文字典中文字典


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       







请输入英文单字,中文词皆可:

scentless    


安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Captive Breeding, Reintroduction, and the Conservation of . . .
    The targeted delivery of environmental water is a common practice today (Kennen et al , 2018) and could become necessary to conserve some species (Greenwood et al , 2016), especially those with
  • CITES
    CITES is an international agreement to ensure that trade in wild animals and plants does not threaten their survival
  • 12. 4: Amphibian Evolution and Ecology - K12 LibreTexts
    Evolution of Amphibians Fossil evidence shows that amphibians evolved about 365 million years ago from a lobe-finned lungfish ancestor As the earliest land vertebrates, they were highly successful Some of them were much larger than today’s amphibians For more than 100 million years, amphibians remained the dominant land vertebrates
  • The Reptile Database
    Currently there are more than 10,000 species and an additional 2,700 subspecies This is making reptiles the largest vertebrate group after fish (~25,000 species) and birds (~10,000 species), and significantly larger than mammals (~5,000 species) or amphibians (~6,000 species)
  • Characteristics of Squamates Reptiles - ThoughtCo
    Lizards (Lacertilia): There are more than 4,500 species of lizards alive today, making them the most diverse group of all squamates Members of this group include iguanas, chameleons, geckos, night lizards, blind lizards, skinks, anguids, beaded lizards and many others Snakes (Serpentes): There are about 2,900 species of snakes alive today
  • Animals commonly called reptiles, amphibians, birds, and . . .
    Tetrapods are more closely related to each other than to non-tetrapods, reflecting their common evolutionary descent Tetrapods, which include amphibians, reptiles, birds, and mammals, are a diverse group of animals that share a common evolutionary history of having evolved from a common four-limbed ancestor
  • Threats, challenges and sustainable conservation strategies . . .
    Around 28% of 142,577 freshwater species are threatened, as reported in the International Union for Conservation of Nature and Natural Resources (IUCN) Red List (IUCN, 2021) According to the list, 41% of Amphibians, 26% of Mammals, 13% of birds, 37% of Sharks Rays, 28% of Crustaceans, and 21% of Reptiles are threatened (Fig 2) These are





中文字典-英文字典  2005-2009