Question 19N.2.SL.TZ0.1d
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.2.SL.TZ0.1d |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Analyse | Question number | d | Adapted from | N/A |
Using the life cycle diagram and the graph for the year 2000, analyse the distribution of adult ticks throughout the different seasons.
[2]
a. adults present through autumn and winter «according to the life cycle diagram»
OR
some adults «must» survive winter «despite graph suggesting zero» ✔
b. adults peak in October «& November»/in autumn/between September and December ✔
c. adults die after laying eggs in winter/beginning of spring ✔
d. smaller peak/10 % versus 55 % peak/smaller numbers of adults in April/spring ✔
e. adults absent from June to September/summer ✔
Each mark point, requires month or season.
Jan - Mar = winter
Apr - Jun = spring
Jul - Sep = summer
Oct - Dec = autumn = fall
Do not accept that there are the lowest number or no adults in winter.
