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Pinus Life Cycle - Biology of Plants - Lab Manual

Study Notes, Biology

Post: January 11th, 2013
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These are the important key points of lab manual of Biology of Plants are: Pinus Life Cycle, Representative Genera, Pinus Resinosa, Leaf Cross Section, Guard Cells, Lots of Resin, Casparian Strips, Pine Stem, Various Magnifications, Epidermal Functions
These are the important key points of lab manual of Biology of Plants are: Pinus Life Cycle, Representative Genera, Pinus Resinosa, Leaf Cross Section, Guard Cells, Lots of Resin, Casparian Strips, Pine Stem, Various Magnifications, Epidermal Functions
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79 - = / 79 = . Name ______________________________ Pinus Life Cycle You have observed some gymnosperm diversity last week; today you will observe the details of the life cycle of Pinus, one of the most common conifers (Coniferophyta). This life history is similar to that of all of the gymnosperms, although the details might vary. For example, while the life cycle of some pines is a two-year process, in other conifers and most other gymnosperms it is a one-season process. All the gymnosperms are heterosporous with the megasporophylls and the microsporophylls grouped together in separate cones, but most gymnosperms are dioecious with only one type of cone (male or female but never both) on a particular individual. Pine, however, is monoecious; the microsporangiate cones occur near the ends of branches and the megasporangiate cones are found at the apex. Other conifers include: spruce, fir, hemlock, redwood, etc., as well as the southern hemisphere podocarps and araucarias. It inclu..

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