- Taxonomists sometimes reclassify groups of species when new evidence shows that a previous ∑ taxon contains species that have evolved from different ancestral species. Sometimes new evidence is found that shows scientists that members of a particular group do not share a common ancestor as once originally thought Sometimes other species that were once thought to be a lot different, are found to be more similar; sharing a common ancestor This switching of classification is an ongoing process as new discoveries or better methods of classification are found. Putting apes together with humans in Hominidae was one of these cases Orangutan as seen in this classification chart on the left are now in a sub family of Pongidae. All apes used to belong to the family Pongidae ∑ - Natural classifications help in identification of species and allow the prediction of characteristics shared by species within a group. _______________________________is very useful for research into biodiversity Easier identification for new species that do not obviously fit into a specific classification (Kingdom à Phylum à Class à etc.) A _______________________________could be used to put an organism into a classification that fits that organism the best This would not work as well _______________________________ (eg. Colour of flower petals) Since organism evolved from a common ancestor, new species would share similar characteristics (likely internal), allowing for easier identification and classification. For example the pentadactyl limb, or mammary glands in mammals Applications and skills: β - Application: Recognition features of bryophyta, filicinophyta, coniferophyta and angiospermophyta. Plant Phyla Bryophyta Filicinophyta Coniferophyta Angiospermophyta
∑ - Taxonomists sometimes reclassify groups of species when new evidence shows that a previous taxon contains species that have evolved from different ancestral species. Sometimes new evidence is found that shows scientists that members of a particular group do not share a common ancestor as once originally thought Sometimes other species that were once thought to be a lot different, are found to be more similar; sharing a common ancestor This switching of classification is an ongoing process as new discoveries or better methods of classification are found. Putting apes together with humans in Hominidae was one of these cases Orangutan as seen in this classification chart on the left are now in a sub family of Pongidae. All apes used to belong to the family Pongidae ∑ - Natural classifications help in identification of species and allow the prediction of characteristics shared by species within a group. _______________________________is very useful for research into biodiversity Easier identification for new species that do not obviously fit into a specific classification (Kingdom à Phylum à Class à etc.) A _______________________________could be used to put an organism into a classification that fits that organism the best This would not work as well _______________________________ (eg. Colour of flower petals) Since organism evolved from a common ancestor, new species would share similar characteristics (likely internal), allowing for easier identification and classification. For example the pentadactyl limb, or mammary glands in mammals Applications and skills: β - Application: Recognition features of bryophyta, filicinophyta, coniferophyta and angiospermophyta. Plant Phyla Bryophyta Filicinophyta Coniferophyta Angiospermophyta
5.3-notes-student.docx