DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.b.i
| Date | November 2017 | Marks available | [Maximum mark: 1] | Reference code | 17N.3.HL.TZ0.b.i |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | State | Question number | b.i | Adapted from | N/A |
b.i.
[Maximum mark: 1]
17N.3.HL.TZ0.b.i
The ‘Ua‘u petrel (Pterodroma sandwichensis) is considered to be an indicator species in the Hawaiian Islands.
[Source: https://commons.wikimedia.org/wiki/File:Oestrelata_phaeopygia_AvesHawaiienses00Wils_0382.jpg]
State the role of an indicator species.
[1]
Markscheme
a. early warning system
b. provide information on environmental conditions/ecosystem
OWTTE
[Max 1 Mark]
