Gap between the big and small containers. Quick Question What is wrong with this pitfall trap? No lid! Gap between the big and small containers.

By the end of the lesson you will be able to ….. National 5 outcomes By the end of the lesson you will be able to ….. Use and construct biological keys

Biological Keys In order to identify and name a living organism, we use a biological key. There are two types of key: Branched Key Paired Statements Key

Classifying Mr Men

What characteristic splits the group in half? Meet the Mr Men What characteristic splits the group in half?

1) Does he have a hat? Yes No

Mr Men with Hats 2) Is he round? Yes No

Mr Men without Hats 2)Does he have hair? Yes No

Mr Men with Hats who are round 3)Is his hat red? Yes No

Mr Men with hats who aren’t round 3)Is he smiling Yes No

Mr Men without hats who have hair 3)Is his hair neat and tidy? Yes No

Mr Men without hats and hair 3) Is he wearing shoes? Yes No

Mr Clumsy His Characteristics He doesn’t have a hat He has hair His hair isn’t neat and tidy Back to the start

Mr Forgetful His Characteristics He does have a hat He is round His hat is red Back to the start

Mr Fussy His Characteristics He doesn’t have a hat He has hair His hair is neat and tidy Back to the start

Mr Grumpy His Characteristics He does have a hat He isn’t round He isn’t smiling Back to the start

Mr Happy His Characteristics He doesn’t have a hat He doesn’t have hair He isn’t wearing shoes Back to the start

Mr Impossible His Characteristics He does have a hat He is round His hat isn’t red Back to the start

Mr Noisy His Characteristics He doesn’t have a hat He doesn’t have hair He is wearing shoes Back to the start

Mr Strong His Characteristics He does have a hat He isn’t round He is smiling Back to the start

Start No Hat Hat Hair No Hair Not Round Round Hair tidy Hair not tidy Not Smiling No Red Hat Red Hat Shoes No Shoes Smiling Mr Happy Mr Strong Mr Grumpy Mr Forgetful Mr Clumsy Mr Fussy Mr Noisy Mr Impossible

Let’s try an example …. SG General 2012

A Sown in March Height 30 - 60cm B Cosmea C Mallow D

Cup-shaped flowers A Yellow centre C Mount Hood Ice Follies B D

Paired Statement Key Identify… Mr Noisy Hat go to 2 No hat go to 5 2. Round go to 3 Not Round go to 4 3. Red hat Mr Forgetful No Red hat Mr Impossible Mr Noisy 4. Smiling Mr Strong Not smiling Mr Grumpy 5. Hair go to 6 No hair go to 7 6. Hair tidy Mr Fussy Hair not tidy Mr Clumsy 7. Shoes Mr Noisy No shoes Mr Happy

Paired Statement Key Identify… Mr Grumpy Hat go to 2 No hat go to 5 2. Round go to 3 Not Round go to 4 Mr Grumpy 3. Red hat Mr Forgetful No Red hat Mr Impossible 4. Smiling Mr Strong Not smiling Mr Grumpy 5. Hair go to 6 No hair go to 7 6. Hair tidy Mr Fussy Hair not tidy Mr Clumsy 7. Shoes Mr Noisy No shoes Mr Happy

Paired Statement Key Identify… Mr Clumsy Hat go to 2 No hat go to 5 2. Round go to 3 Not Round go to 4 3. Red hat Mr Forgetful No Red hat Mr Impossible Mr Clumsy 4. Smiling Mr Strong Not smiling Mr Grumpy 5. Hair go to 6 No hair go to 7 6. Hair tidy Mr Fussy Hair not tidy Mr Clumsy 7. Shoes Mr Noisy No shoes Mr Happy

Paired Statement Key Single leaf go to 2 Several leaflets go to 6 2. Leaf with prickles HOLLY Leaf with no prickles go to 3 Sycamore 3. Leaf edge with lobes go to 4 Leaf edge with no lobes go to 5 4. Lobes sharp pointed SYCAMORE Lobes rounded OAK 5. Leaf with smooth edge BEECH Leaf with serrated edge ELM 6. Leaflets in fan shape HORSE CHESTNUT Leaflets in pairs go to 7 7. Leaf edge serrated ROWAN Leaf edge plain ASH

4 Spider No shell Earthworm

Go to 4 A Black wing tip B Go to 3 C Wood white D White wing tip E Red Admiral F

Questions – Keys National 3/4 Biology Question Booklet National 5 Biology, Booklet, Section 1 Turn to Section 1 and answer the following questions: 1 – 4 10, 11, 12, 13 (a) Turn to Section 1, short answer questions 4(b) 10 11 12 13 (a) 15

British Birds Create a branched key for the following: Crow thrush Robin owl Blue tit

Primates Create a branched key for the following chimpanzee orang-utan human Silverback gorilla gibbon

Dogs Create a branched key for the following

Questions – Keys National 3/4 Biology Question Booklet National 5 Biology, Booklet, Section 1 Turn to Section 1 and answer the following questions: 1 – 4 10, 11, 12, 13 (a) Turn to Section 1, short answer questions 4(b) 10 11 12 13 (a) 15