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Lesson Starter

Lesson Starter. Complete the branched key exercises on page 8 and 9 in notes. Learning Intention. To identify organisms using a paired statement key. Paired Statement keys. AKA Dichotomous key

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Lesson Starter

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  1. Lesson Starter Complete the branched key exercises on page 8 and 9 in notes

  2. Learning Intention To identify organisms using a paired statement key

  3. Paired Statement keys AKA Dichotomous key A key used to identify an organism in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified.

  4. a) Is circular/oval – GO TO STATEMENT 2 b) Is not circular/oval – BANANA • a) Skin is smooth – GO TO STATEMENT 3 b) Skin is furry – KIWI 3. a) Fruit has no stalk – GO TO STATEMENT 4 b) Fruit has a stalk – APPLE 4. a) Fruit is circular - ORANGE b) Fruit is not circular - LEMON

  5. a) Has 2 eyes- GO TO STATEMENT 2 b) Has one eye- LEELA • a) Wears glasses- PROFESSOR FARMSWORTH b) Does not wear glasses- GO TO STATEMENT 3 • a) Is human- GO TO STATEMENT 4 b) Is not human- GO TO STATEMENT 5 4. a) Has red hair- FRY b) Has black hair- AMY WONG 5. a) Has red skin- ZOIDBERG b) Has a metal body- BENDER

  6. End Complete paired statement keys on page 10 of your notes

  7. Lesson Starter

  8. Worked example

  9. BATMAN SPIDERMAN THOR SUPERMAN IRON MAN CAPTAIN AMERICA HULK

  10. Lightening mcqueen Ramone Sarge Mater Sheriff Luigi Fillmore Sally

  11. Bumble Bee Butterfly Lady Bird Moth Beetle Dragon Fly Wasp

  12. task Complete the paired statement key on page 11 of your notes

  13. Lesson Starter • What is the purpose of a biological key? • What is the advantage of using a key rather than books/the internet?

  14. Learning Intention • To understand why biological sampling is used • To be able to give examples of sampling techniqueso • To be able to give advantages and disadvantages of each technique

  15. Sampling living organisms • Important to know the abundance of animals and plants • Estimate using sampling techniques

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