| Date | May 2012 | Marks available | 3 | Reference code | 12M.3.SL.TZ2.15 |
| Level | Standard level | Paper | Paper 3 | Time zone | Time zone 2 |
| Command term | Outline | Question number | 15 | Adapted from | N/A |
Question
Outline the development of birdsong in young birds.
Markscheme
bird born with innate knowledge of (basic) song;
song birds have sensitive period during which they can learn a song;
must listen to tutor song;
birds are selective in what song they learn / not any song can be learned;
song must match some innate knowledge of song that bird is born with/inherited;
practice singing (subsong) precedes full song;
song, once learned, is rarely modified;
Examiners report
Most candidates were able to outline the development of birdsong.
Syllabus sections
Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Additional higher level topics) » A.4 Innate and learned behaviour
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