sept 15 - 6 Tuesday 9:17 AM Abstract handout next week...

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Abstract - handout next week; report on a current event topic; short 300 word or so; intended to attract people to come to your talk 1st field trip - Austin area, Cretaceous Specific needs in different environments Marine environments (first to be colonized, easiest to live in), fresh water environments (low ionic concentrations), terrestrial environments (need water). Pasted from < file:///C:\Users\MRED85~1.THO\AppData\Local\Temp\Paleobiology%20Outlines.doc > Reproduction more of an issue (gametes, pollen) Temperature changes Big radiation -> insects and angiosperm (1 million +) Terrestrial - air doesn’t support as well as water does What is the difference between a niche and a guild? e.g. temperature, branch density, food size Limits for survival Need optimal limits Niche: N dimensional space showing the many different factors Small condition variability Biotic Factors: clown fish relying on anemone Guild: Represented by the species of a community that all fall in the same place on each axis;
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sept 15 - 6 Tuesday 9:17 AM Abstract handout next week...

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