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:

blackish    


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:


  • Why do giraffe have such a long neck?
    The giraffe's long neck serves multiple purposes: it allows them to reach high foliage for food, engage in dominance displays (necking), and act as a lookout against predators To support this long neck, giraffe have evolved specialized adaptations
  • How the giraffe got its long neck - Science News
    Giraffes, it turns out, are not the first species in their lineage to have a long neck — they just have the longest one The species started off with a shorter neck, 7 5 million years ago, when
  • Why Do Giraffes Have Long Necks? - Encyclopedia Britannica
    The long neck of a giraffe (genus Giraffa) is a classic example of adaptation, which is the process by which a species becomes better suited to its environment Giraffes use their long necks to browse foliage that is as high as six meters (20 feet) off the ground, primarily from thorny acacia trees
  • Long Necks, Short Answers: Debunking the Giraffe Evolution Myth
    Each giraffe vertebra can be over a foot long, compared to human neck vertebrae that measure about an inch This anatomical comparison shows how evolution found a completely different solution to the long-neck challenge, proving that there are multiple ways to solve similar environmental problems Climate Change and Evolutionary Adaptation
  • The Long-Neck Truth About Giraffe Bones - WorldAtlas
    Classified under the family Giraffidae alongside the okapi, the giraffe is easily identified by its long legs and even longer neck What is truly remarkable is that this elongated neck has seven vertebrae, the same number as a human neck, but each bone exceeds 25 cm in length Giraffes in the Maasai Mara Game Reserve
  • Giraffe Neck: Why Do Giraffes Have Long Necks? - Science ABC
    There are several theories as to why giraffes have long necks One theory is that they need a long neck to reach high branches to get food Another theory is that their long necks help them win fights against other male giraffes
  • How Long Can a Giraffe’s Neck Grow, and Why Is It So Long? - WildLifeFAQs
    The long neck of the giraffe is a remarkable example of evolutionary adaptation at work Through natural selection, giraffes with longer necks were better equipped to survive and reproduce in their environment, leading to the continued elongation of their necks over time
  • How the Giraffe Got Its Long Neck: It Happened in Spurts
    Scientists have long puzzled over why giraffes would grow such an ungainly extremity After all, the only other living member of the giraffe family, the okapi, has a stubby neck and munches on
  • Why do giraffes have long necks? - WIRED
    For a century and a half, naturalists have been vexed by the long neck of the giraffe How could such a structure have evolved? The neck of a giraffe (Giraffa camelopardalis) is a
  • Why Do Giraffes Have Such Long Necks? - AnimalWised
    The difference with a giraffe neck is that they have certain transverse holes in the vertebrae and significant lengthening of the vertebral centra This explains physically why their neck is so long Despite what some believe, giraffes have a backbone with the same units of vertebral structures as many other animals, they are just more elongated





中文字典-英文字典  2005-2009