Genes+and+the+environment

9A Science and fiction

Genes and the environment
Recall what breeds and varieties are. Describe some examples of characteristics that cannot be seen. Describe how natural variations in a characteristic can affect animals and plants in both useful and harmful ways. Identify variation caused by environmental factors and/or genes.
 * Outcomes (what you will be able to do by the end of this lesson) **


 * Starter**
 * Review homework and completed work from last lesson

> media type="custom" key="23699082"
 * Activities**
 * 1) Match the key terms and definitions and write the correct combination down in your exercise book.
 * 2) [[file:ES9_Ab012_12msu.doc|Review the worksheet]] as a class see if you can group the organisms into different species and then into varieties and breeds
 * 3) Review learning from the previous lesson. Can you recall any characteristics than cannot be seen. Discuss examples of such characteristics.
 * 4) Investigate [[file:ES9_CHAP_Ab2.pdf|Different varieties]] of plants. This can easily be extended beyond apples and volume, density, length and colour can easily be substituted in place of mass.
 * 5) How can natural variation be harmful and useful? Watch this video (if you can't see the video [|download it here] instead) on Malaria and sickle cell anaemia to find out.
 * 1) Discuss what variations students possess that can be harmful, useful or both.
 * 2) Read about [[file:ES9_CHAP_Ab7.pdf|resistance to viruses in wild tomatoes]] and complete the questions
 * 3) Extension: [[file:ES9_CHAP_Ab8.pdf|Sweating and sweat glands]] and the questions on the worksheet

Review completed classwork / key term quiz
 * Summary**

Download complete the gapfill on, print-off and stick into your exercise book. You can copy and complete if you have a problem printing.
 * Homework**** activity options **

[|Would you pay $6,000 for a hypoallergenic cat?]
 * Useful links**