DP Biology (last assessment 2024)

Question 19N.3.HL.TZ0.a

Date	November 2019	Marks available	[Maximum mark: 1]	Reference code	19N.3.HL.TZ0.a
Level	HL	Paper	3	Time zone	TZ0
Command term	Describe	Question number	a	Adapted from	N/A

[Maximum mark: 1]

19N.3.HL.TZ0.a

Many animals have a unique technique for courting their mate. The male peacocks (Pavo cristatus) spread their brightly-coloured tails to impress the females (peahens).

[Source: cocoparisienne/Pixabay]

Courtship behaviour leads to mate selection. Describe innate behaviour.

[1]

Markscheme

a. innate behavior is independent of environment ✔

b. innate behaviour is controlled by genes/inherited ✔

c. innate behaviour is present at birth OWTTE
OR
doesn't change through time/experience ✔

Syllabus sections

Option A: Neurobiology and behaviour

Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Additional higher level topics) » A.6 Ethology

Option A: Neurobiology and behaviour » Option A: Neurobiology and behaviour (Additional higher level topics)

Question 19N.3.HL.TZ0.a

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