Date | November 2019 | Marks available | 2 | Reference code | 19N.3.HL.TZ0.7 |
Level | Higher level | Paper | Paper 3 | Time zone | TZ0 / no time zone |
Command term | Outline | Question number | 7 | Adapted from | N/A |
Question
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.
Explain the implications of courtship behaviour in natural selection.
Outline operant conditioning, giving an example.
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 ✔
a. «courtship behaviour» is inherited/innate
OR
variations exist ✔ OWTTE
b. fittest animals have the best courtship behaviour ✔
c. «courtship behaviour» allows members of a species to identify each other
OR
«courtship behaviour» results in mate selection ✔ OWTTE
d. «courtship behaviour» increases chances of mating/reproductive success ✔
e. «courtship behaviour» also make organisms more vulnerable to predation ✔
f. «allows» best courtship to be passed on to the next generation/offspring ✔
a. when an animal learns to associate a reward with a certain kind of behaviour OWTTE
OR
trial and error learning
OR
positive reinforcement
OR
associative learning ✔
b. example: animal training ✔