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Question 17N.3.HL.TZ0.15c

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Date November 2017 Marks available [Maximum mark: 2] Reference code 17N.3.HL.TZ0.15c
Level HL Paper 3 Time zone TZ0
Command term Predict Question number c Adapted from N/A
c.
[Maximum mark: 2]
17N.3.HL.TZ0.15c

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]

The curve shows a population of M. gallopavo from 2000 to 2015 in Ohio in the mid-western USA.

(c)

Hunting of M. gallopavo is currently regulated. Predict what would happen if the hunting regulations were removed.

[2]

Markscheme

a. population would decrease/may become extinct

b. open realized niche for other organisms

    OWTTE

c. food web may change

d. less intraspecific competition

[Max 2 Marks]

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