将独立的「鸟纲」置于「恐龙总目 兽脚亚目」的分类下是否合理?以及翼龙与鸟类存在演化上的关系吗? 知乎 Template




You need a modern browser try chrome, to view this.

Background image: Hide Show

View Larger Image Image Credit: zhihu.com






Try and sketch some of thesePanties, Fishing reel, Cross, Lederhosen, Gumball machine, French horn, Mashed potatoes, Sunset, Bags, Den, view more ideas


please wait, the page is loading...

More Sketches

Take a peek at some of the sketches created by our users, are you a sketchite?

anonymous
anonymous
sketch #3042 Tobi by Mirnes Sinanovic


anonymous
anonymous
sketch #5236 Edward Scissorhands by Ronin Ronin


anonymous
anonymous
sketch #2987


anonymous
anonymous
sketch #5074


anonymous
anonymous
sketch #214 bugs bunny


BaGaz Anggara
sketch #2836 Angry smurf maradona by BaGaz Anggara


anonymous
anonymous
sketch #2977 Spongebob Germaine Hoens


anonymous
anonymous
sketch #2197


anonymous
anonymous
sketch #3774 Marilyn Manson by Junior Silva


anonymous
anonymous
sketch #5080 Megaman Zero (X) by Muhammad Raiyaan


anonymous
anonymous
sketch #3506 Goku by Saul Mansanares


anonymous
anonymous
sketch #5172 Cheshire Cat by Juan Garcia


Tom Kelly
sketch #124 saurez


anonymous
anonymous
sketch #5315


anonymous
anonymous
sketch #1170


Rachel Roe
sketch #2646 Buzzy bee on flowers


sketchmaster
sketch #2628 Black haired women


anonymous
anonymous
sketch #4742


anonymous
anonymous
sketch #3350 Gerard Way by Carrieann Benthem


anonymous
anonymous
sketch #4558


anonymous
anonymous
sketch #687 Buddha Peace


anonymous
anonymous
sketch #704


anonymous
anonymous
sketch #5259


anonymous
anonymous
sketch #3236 Sunset by Aaron Bahary


Fabio Sala
sketch #2672


anonymous
anonymous
sketch #4264 oh yeah

tomski将独立的「鸟纲」置于「恐龙总目 兽脚亚目」的分类下是否合理?以及翼龙与鸟类存在演化上的关系吗? 知乎 coloring