请问从生物学角度来说,爬行动物,恐龙,鸟类,这三大类的关系是怎么样的? 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 theseCatfish, Millipede, Cow, Ballroom dancer, Anthill, Xylophone, Tunnel, Triangle, Stork, Watermelon, 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 #4916


anonymous
anonymous
sketch #3513


anonymous
anonymous
sketch #5186


anonymous
anonymous
sketch #3165


anonymous
anonymous
sketch #2082 mash


anonymous
anonymous
sketch #2250 lelouch


anonymous
anonymous
sketch #4589


anonymous
anonymous
sketch #4888


anonymous
anonymous
sketch #4358 Wink Károly Benkő


Rachel Roe
sketch #2642 Red dog


anonymous
anonymous
sketch #3268 Werewolf by Mert Arda Yiğit


anonymous
anonymous
sketch #4446 EDDIE by يآآسر محمد


anonymous
anonymous
sketch #1643


anonymous
anonymous
sketch #5079 SketchToy Pencil by Sarah Prieto


anonymous
anonymous
sketch #5171


Loai Issa
sketch #2668 Butterfly by Loai Issa


anonymous
anonymous
sketch #3699 Dragon by Ana Cecilia


anonymous
anonymous
sketch #1477 123 viva l 'algerie


anonymous
anonymous
sketch #1451 mi6softlab vibra


anonymous
anonymous
sketch #3508 Medusa by Nelly Panambo


anonymous
anonymous
sketch #5159 Frank Briones Silvia Haynes


anonymous
anonymous
sketch #839


anonymous
anonymous
sketch #3439 Aralé by Malyi Link


anonymous
anonymous
sketch #4429 Spongebob by Brenda Peña


anonymous
anonymous
sketch #1170


anonymous
anonymous
sketch #4566 Edward Scissorhands by Angel Ördoñez


anonymous
anonymous
sketch #4471 Brother Bear by Samuel Roberto

tomski请问从生物学角度来说,爬行动物,恐龙,鸟类,这三大类的关系是怎么样的? 知乎 coloring