11. This is also assuming that we are talking about different size classes of the same species. 12. F _ i is the proportion of size class i that is present on the bed. 13. The plants are heterosporous with spores of two different size classes , known as megaspores and microspores. 14. At the same time, the once compact class, and the Camry moved to the mid-size class . 15. For most of its life it was the only American-made station wagon in its size class . 16. There are different size classes of wind turbines. 17. Battleships ( heavily armed and armoured dedicated combat ships ) make up the large size class . 18. Blitzing stripers in the 28-to 32-foot size class and weighing 8 pounds were feeding on bay anchovies. 19. Programmes include roller bench measurements of vehicle emissions across all vehicle categories, size classes and emission stages. 20. Contrary to what may be expected, the smaller size class had disproportionately large and wide-set pelvic bones.