DP Biology (first assessment 2025)
Question 19M.2.SL.TZ1.11c
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.2.SL.TZ1.11c |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Suggest | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 1]
19M.2.SL.TZ1.11c
(c)
Suggest one way in which depth may act as a limiting factor for coral.
[1]
Markscheme
low light levels/lower temperatures cannot support growth/metabolism ✔
Requires the explanation for the mark
Examiners report
The reduction in light or temperature with greater depth was recognized but not often linked to growth or photosynthesis.
