BIOL 2010 Quiz: Invasion of land- detailed
Document Summary
*[all have alteration of generations - gametophyte dominates] *[long distance transport: the invasion of land occurred around 450-500 million years ago. Begin to see clear evidence like spores that prove the initial invasion of land. However, plants invaded land first then animals: range of complexities associated with plant invasion, there are some sorts of aspects associated with invasion of land in terms of the adaptability of the organism to survive on land. Has an adaptive trait for being able to survive on land. Glycolate oxidase- photorespiration- oxygen problem talked about before. High levels of oxygen which compete on the same enzymes as carbon dioxide does. The enzyme that does this is glycolate oxidase. Issue is when you look at this between charophytes and other organism. In an aq environment you have two forms of co2. In marine environments have a huge storage of bicarbonate stored. In air, going to see the greatest issue with competition with oxygen.
