31. Over time, most of the insects actually shifted from gymnosperms to the flowering plants. 32. The monkey puzzle tree is a gymnosperm , dominant in the Triassic and Jurassic periods. 33. The amount and complexity of tissue-formation in flowering plants exceeds that of gymnosperms . 34. Gymnosperm wood also often contains resin ducts.35. Although agamospermy could theoretically occur in gymnosperms , it appears to be absent in that group. 36. Most Gymnosperm species are in rainforest. 37. The Gymnosperms are more common on exposed ridges or next to rivers or creeks in floodplains. 38. More tropical Gymnosperm species are endemic to New Caledonia than to any similar region on Earth. 39. It also occurs in monoecious gymnosperms . 40. Conifers and other gymnosperms lack flowers but may have two or more cotyledons in the seedling.
