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 theseNotebook, Chili, Square, Candy apple, Burro, Circus, Cockroach, Tourist, Money, Corner, 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?

Zay Lin
sketch #2087 zay lin


anonymous
anonymous
sketch #1219


anonymous
anonymous
sketch #3244 Winnie the Pooh by Ashok Kumar Chaturvedi


anonymous
anonymous
sketch #5156 Angry Bird by Roberto Castro Colimil


anonymous
anonymous
sketch #5044


John Davis
sketch #2784


anonymous
anonymous
sketch #1110


anonymous
anonymous
sketch #2552


anonymous
anonymous
sketch #3273


Gaurav Patel
sketch #2691


anonymous
anonymous
sketch #20594


anonymous
anonymous
sketch #4755


Ainhoa White
sketch #4301


anonymous
anonymous
sketch #5229


anonymous
anonymous
sketch #5101


anonymous
anonymous
sketch #1652


anonymous
anonymous
sketch #4933 Tobi by Abdelwahab Haik


anonymous
anonymous
sketch #2027


anonymous
anonymous
sketch #921 comics ufo


anonymous
anonymous
sketch #5184 Walter White by Abdul Ghony


anonymous
anonymous
sketch #3375


anonymous
anonymous
sketch #2573 homer simpson


anonymous
anonymous
sketch #1418 Dylan Thomas. Chayrolfrypan


anonymous
anonymous
sketch #4520


anonymous
anonymous
sketch #5115


anonymous
anonymous
sketch #1153 sahib


anonymous
anonymous
sketch #4971 Rhianna by Isaiah Fantisy Godlike


愛君
sketch #1964 愛鼠繪


anonymous
anonymous
sketch #4774 Banksy&#;s Wall and Piece by Ameli Cedeño Barcia


anonymous
anonymous
sketch #5187

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