plantevolution

plantevolution - James Johnson Prof. Muller Biology 102 Lab...

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James Johnson Prof. Muller Biology 102 Lab Assignment Due: April 1 2008 Assignment #2- Plant Evolution - Since bryophytes do not possess specialized vascular tissue, they are the oldest and most primitive of the plant species. This is why I placed the moss plant, letter L, first- they are among the first land plants. They are small little plants that are grouped tightly together, green showing that they contain chlorophyll, and absorb water since they are not vascular. They have rhizoids that help them cling to rocks. - The next, more developed species of plants is the fern, letter J. Ferns are the first plant species that developed vascular tissue. This means that they have a vein system that permits the distribution of fluids and nutrients throughout the living organism. There are also dots on the underside of ferns called spores. Spores can spread by the wind and produce ferns elsewhere. -
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This note was uploaded on 04/07/2008 for the course BIO 102 taught by Professor Muller during the Spring '08 term at Iona.

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plantevolution - James Johnson Prof. Muller Biology 102 Lab...

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