DP Biology (last assessment 2024)
Question 17N.3.HL.TZ0.a.ii
| Date | November 2017 | Marks available | [Maximum mark: 2] | Reference code | 17N.3.HL.TZ0.a.ii |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Suggest | Question number | a.ii | Adapted from | N/A |
a.ii.
[Maximum mark: 2]
17N.3.HL.TZ0.a.ii
Wild turkeys (Meleagris gallopavo) once inhabited most forested areas of North America. As an important food source for early European settlers, the population of M. gallopavo seriously decreased. Due to recent conservation efforts, population numbers are increasing.
[Source: https://commons.wikimedia.org/wiki/File:A_wild_turkey_in_Middleboro,_Massachusetts.jpg]
![https://commons.wikimedia.org/wiki/File:A_wild_turkey_in_Middleboro,_Massachusetts.jpg]](https://commons.wikimedia.org/wiki/File:A_wild_turkey_in_Middleboro,_Massachusetts.jpg%5D){kind=link}
The curve shows a population of M. gallopavo from 2000 to 2015 in Ohio in the mid-western USA.
Suggest factors that could account for the growth curve of the M. gallopavo population.
[2]
Markscheme
a. natality AND mortality
b. immigration AND emigration
c. resources/abiotic conditions/carrying capacity
d. predation/hunting
[Max 2 Marks]
