Resistant strains Research MRSA and C. difficile spread because infections and treatment. people are not Discuss how the rate of immune and there development of resistant is no effective bacteria could be slowed down. treatment. Discuss why are few new MRSA is resistant antibiotics being developed, to antibiotics. and suggest how drug How to reduce the companies might be development of encouraged to develop some. resistant strains. Problems associated with the development of new antibiotics. 4.6.3.6 Extinction. Define the term extinction. 0.5 Give a list of extinct organisms PPT 1.8 Evolution and ask students to print Extinction may be Explain how extinction may be images. Suggest reasons to caused by: caused. explain why they died out. changes to the Explain that organisms Produce a poster of pictures of environment become extinct because extinct organisms. Discuss the over geological something changes and the evidence we have that they time species cannot adapt quickly looked like this. new predators enough to the new new diseases circumstances. Explain why some organisms are endangered. Give
Resistant strains spread because people are not immune and there is no effective treatment. MRSA is resistant to antibiotics. How to reduce the development of resistant strains. Problems associated with the development of new antibiotics. Research MRSA and C. difficile infections and treatment. Discuss how the rate of development of resistant bacteria could be slowed down. Discuss why are few new antibiotics being developed, and suggest how drug companies might be encouraged to develop some. 4.6.3.6 Extinction. Extinction may be caused by: changes to the environment over geological time new predators new diseases Define the term extinction. Explain how extinction may be caused. Explain that organisms become extinct because something changes and the species cannot adapt quickly enough to the new circumstances. 0.5 Give a list of extinct organisms and ask students to print images. Suggest reasons to explain why they died out. Produce a poster of pictures of extinct organisms. Discuss the evidence we have that they looked like this. Explain why some organisms are endangered. Give PPT 1.8 Evolution