Biology 1001A Lecture Notes - Lecture 18: Sand Art And Play, Parasitic Plant, Allele Frequency
26 May 2016
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Microevolution: changes in allele frequencies in a single population. 18 000 new species discovered every year. In sea of japan, there were these weird sand sculptures on bottom of ocean. On mountainside of philippines that lives in open air but looks like coral. Parasitic plant that doesn"t produce chlorophyll and steals from others. Only 50 individuals known to exist (critically endangered). New spider found in desert of morocco. Anti-predator behaviour in which it cart- wheels away. 1. 2 million species of eukaryotes on record (bacteria and archaea not included because dif cult to tell if two bacterial cells are form the same species or not). Are there more species that we do know about than we don"t know about. Estimate that there are about 8. 7 million species of eukaryotes out there. For ever 1 we know, we don"t know 9 (on estimate, but some think thats an underestimate).
