DP Biology (last assessment 2024)
Question 21N.2.HL.TZ0.5a
Date | November 2021 | Marks available | [Maximum mark: 2] | Reference code | 21N.2.HL.TZ0.5a |
Level | HL | Paper | 2 | Time zone | TZ0 |
Command term | Compare and contrast | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
21N.2.HL.TZ0.5a
(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
About half of candidates answered correctly and there were some well-informed answers, but also many that showed a lack of familiarity with nutrition in detritivores and saprotrophs.
