DP Biology (last assessment 2024)

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Question 18M.3.HL.TZ1.7c

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Date May 2018 Marks available [Maximum mark: 3] Reference code 18M.3.HL.TZ1.7c
Level HL Paper 3 Time zone TZ1
Command term Distinguish Question number c Adapted from N/A
c.
[Maximum mark: 3]
18M.3.HL.TZ1.7c
(c)

Distinguish between innate behaviour and learned behaviour in the development of birdsong.

[3]

Markscheme

a. innate behaviour is controlled by genes/inherited while learned is not inherited 

b. the early birdsong pattern is genetically determined/innate 

c. learned behaviour occurs as a result of experience while innate is independent of environment 

d. (Later) birds modify their (early) song pattern based on learning from adults/other birds/the environment

Note that mpa and mpc have two parts that are both required for the mark to be awarded. They are comparisons.

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