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Transcript of Nonvascular Plants
causes them to behave and grow in an environment that suits them best. They excrete by developing spore capsules that burst when too swollen. This is also how they reproduce. All nonvascular plants intake carbon dioxide during photosynthesis. Photosynthesis is the process where autotrophs use sunlight, water, and carbon dioxide to produce oxygen as well as nutrients that are needed for the plants to survive. Photosynthesis is a process unique to plants because it requires chloroplasts to absorb the sunlight. Oxygen is also taken in by plants cells during cell respiration, a process when organisms use oxygen and release carbon dioxide in order to breakdown food molecules. Reproduction: Most non-vascular plants can reproduce sexually and asexually. The least common way to produce is asexually. In asexual reproduction basically is the regeneration of plant material or leaves which produce and create secondary plants. The most common method, which is sexual reproduction, where the male gamete (sperm) fertilizes the female gamete (egg).
Growth and Development: When the egg is fertilized and it is a zygote and goes through cell divisions it forms the sporophyte which includes the stalk with the capsule at the top. As the sporophyte generation continues to develop and the capsule bursts open and starts to release spores and land on favorable environments (asexual) the plant then enters the gametophyte generation. The gametophyte generation is the dominant generation in which an egg can be fertilized by the sperm.
This cycle then repeats over and over again to produce
non-vascular plants. https://docs.google.com/spreadsheet/viewform?formkey=dDFTaU5OTUVMWUVqdjZzcXRzUG1fRmc6MA Biology the Dynamics of Life. The McGraw-Hill Companies, Inc. 2005. 1 January 2013.
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Nonvascular Plants." Nonvascular Plants. N.p., n.d. Web. 29 Dec. 2012. <http://www.cartage.org.lb/en/themes/sciences/BotanicalSciences/ClassificationPlants/Cryptogamia/Bryophyta/Nonvascular/nonvascular.htm>.
Pauser, Darci. "Vascular Vs. Non-vascular Plants." eHow. Web. 3 Jan. 2013. <http://www.ehow.com/info_7906260_vascular-vs-nonvascular-plants.html>. Honors Biology 1st Period Nonvascular plants lack vascular tissue this plants demand maintain close contact with the ground and the water to prevent dryness. With no real roots, steams or leaves, nonvascular plants use a "leafy" plant body of the gametophyte where water is absorbed throughout; the movement of water, minerals, and organic food molecules within the tissues of the gametophyte, and the movement of water containing waste products back to the environment must occur by diffusion. http://www.pbs.org/wgbh/nova/nature/photosynthesis.html Liverwort Click the link below to take the quiz.