DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.14b.ii
| Date | November 2017 | Marks available | [Maximum mark: 2] | Reference code | 17N.3.HL.TZ0.14b.ii |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Identify | Question number | b.ii | Adapted from | N/A |
b.ii.
[Maximum mark: 2]
17N.3.HL.TZ0.14b.ii
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]
(b.ii)
Identify possible approaches to maintain the population of P. sandwichensis.
[2]
Markscheme
a. ex-situ/zoos/captive breeding
b. control predators
c. in-situ/management of natural reserves/breeding habitats/parks/resources/clean-up pollution
d. education
OR
government legislation
Accept any other valid answer
[Max 2 Marks]
