<p>Powerpoint and worksheet on causes of variation. Lesson 2 in a sequence. PPT uses mistermen to look at how offspring resemble their parents (borrowed from another resource), then looks at environmental causes of variation. Worksheet is a cloze exercise covering key points of the lesson and there is also a card sort for inherited versus environmental causes of variation.</p>

<p>A powerpoint covering lesson 1 of variation and classification. How do individuals of the same species differ from each other? Covers plants and animals. Also included photographs of cats, dogs, daffodils, holly and rabbits for students to identify differences. Covers continuous and discontinuous variations and how these can be represented graphically. There is a plenary exit ticket.</p>