下图是某种生物迁入生态系统后种群增长率随时间变化的曲线由此可以判断 A.种群数量先增大后减小 b.b点时种群数量最大 c.影响a点和c点 Template




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

Background image: Hide Show

View Larger Image Image Credit: 1010jiajiao.com






Try and sketch some of theseAttic, Church lady, Sheep, President, Ice house, Donut, Royalty, Calipers, Columbine, Hitchhiker, 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 #4937 Favorite animal competition runner-up: White Tiger by Deepak Kaushik


Jayme Sousa
sketch #2729 Luffy by Jayme Sousa


anonymous
anonymous
sketch #1950


anonymous
anonymous
sketch #1145


anonymous
anonymous
sketch #4368


anonymous
anonymous
sketch #1138


anonymous
anonymous
sketch #1133 vinks


anonymous
anonymous
sketch #5269


anonymous
anonymous
sketch #4665 Iron Maiden EDDIE by Jenna Khoùlix�


anonymous
anonymous
sketch #5095 Lion by Frederic Knauer


anonymous
anonymous
sketch #4766 The Little Mermaid by Zizou Aiman


anonymous
anonymous
sketch #1131 nərgiz


anonymous
anonymous
sketch #4661 Woodpecker by Hsien-Ying Hsieh


anonymous
anonymous
sketch #5123


anonymous
anonymous
sketch #5117


anonymous
anonymous
sketch #1122 norooz


anonymous
anonymous
sketch #4857 Eye by Thu Seba Piñeraa


anonymous
anonymous
sketch #3012 Girl by Safa M. Esam Srk


anonymous
anonymous
sketch #1668 SUNSET


anonymous
anonymous
sketch #3662 Angel by Alexander Volodimirovich Danilchenko


anonymous
anonymous
sketch #1076


Raisa Mahmud
sketch #2061


anonymous
anonymous
sketch #3174 John Snow Helga Fon Stein


anonymous
anonymous
sketch #2889


anonymous
anonymous
sketch #5092 Silvers Rayleigh by Wasim Khan


sketchmaster
sketch #2618


anonymous
anonymous
sketch #3727 Stitch by Louis Tradieu


anonymous
anonymous
sketch #2987

tomski下图是某种生物迁入生态系统后种群增长率随时间变化的曲线由此可以判断 a.种群数量先增大后减小 b.b点时种群数量最大 coloring