6.2体型效应 Sequoia 100m Whale Karp● Birch ●Balsam 10m Ddg-wood● Rhino Elephant 1Elk●●Boar ●Man 1m Deer ●●Snake Fox ●Beavar Rat● Salamander LemmingCrab ●Horseshoe crab 10 cm Mouse●Storfar ●Turtle ScallopFrog ●Newt Snail● Chameleon Bee● iOyster 1cm Horsefly Housefly ●Clam Drosophila 1 mm Stentor● Daphnia ●Faramecium 100um Tetrahymena Didinium ● ●Euglena 10u中 ●Spirochaeta E.coli 、●Pseudomonas 1μm B.aure 1h 7d1月 10a 100a 世代周期 图6-3个体大小与世代周期的关系（仿郑师章等，1994） 6.2 体型效应