Taxonomy to Show Relationships Between Organisms Essay Paper
f the taxonomic system is to reflect the totality of similarities and differences among organisms, it must have an evolutionary foundation.
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Too rigid an adherence to the rule of monophylesis, however, would wreak havoc with our system. Similarities due to evolutionary parallelism provide some evidence of relationship, because the greater the genetic and phenetic similarity between two groups, the greater the likelihood that they will produce similar mutations, have similar evolutionary potentialities, and undergo parallel evolutionary change. A workable taxonomic system can provide only a muddy reflection of phylogeny. Taxonomy to Show Relationships Between Organisms Essay Paper If the evolutionary diversification of any large taxonomic group were profoundly influenced by the nature of the supply of mutations, if the supply of mutations differed in the various subgroups, if the fixation of many of these mutations did not depend wholly on survival value, and if the evolutionary barriers between different ecologic niches or adaptive zones were in general low, then we might expect that group to show ecological and adaptive correlations most commonly at the lower taxonomic levels such as genera and species, whereas the higher taxa would tend to embrace a wide array of ecological types. Taxonomy to Show Relationships Between Organisms Essay Paper These ecologically varied higher taxa would tend to be characterized in large part by features of doubtful adaptive significance, and the critical taxonomic characters for many of them would be so beset by exceptions that the recognition, characterization, and definition of the groups would often be difficult. The taxonomic pattern of the angiosperms, especially the dicotyledons, is precisely that which would be expected under the foregoing set of postulates.Taxonomy to Show Relationships Between Organisms Essay Paper
For each assignment, you will use the M.U.S.E. link to complete the lab.
A scientist collected samples of various organisms and returned to the lab. For classification purposes, they need to describe their external appearance and internal physiology. For this reason, they have designed a special table you need to fill out.Taxonomy to Show Relationships Between Organisms Essay Paper
Using the M.U.S.E. link, review the background information and animation to complete your report. Use the Lab 5 worksheet for assignment instructions and data collection.
Use the Lab 5 worksheet data to answer a series of questions related to the relationship between organisms Taxonomy to Show Relationships Between Organisms Essay Paper