DP Biology (last assessment 2024)
Question 21N.2.SL.TZ0.3a
| Date | November 2021 | Marks available | [Maximum mark: 2] | Reference code | 21N.2.SL.TZ0.3a |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Compare and contrast | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
21N.2.SL.TZ0.3a
(a)
Compare and contrast the mode of nutrition of detritivores and saprotrophs.
[2]
Markscheme
Accept not autotrophic/not photosynthetic instead of heterotrophic.
Do not accept that both groups are decomposers or consumers for the similarity.
Examiners report
Knowledge of detritivores and saprotrophs was good in 3a, with many of the poorer answers describing them as feeding on inorganic material.
