6,000 5,000 4,000 3,000 2,000 Projected decline 1,000 o l le l l l ul l l l l l 1960 1970 1980 1990 2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100 Year Breeding pairs
6,000 5,000 4,000 3,000 2,000 Projected decline 1,000 o l le l l l ul l l l l l 1960 1970 1980 1990 2000 2010 2020 2030 2040 2050 2060 2070 2080 2090 2100 Year Breeding pairs
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
Related questions
Question
The graph below shows changes in the size of an Emperor
penguin population in terms of numbers of breeding pairs
on the island of Terre Adelie in the Antarctic. Scientists
used these data along with data on the penguins’ shrinking ice habitat to project a general decline in the island’s
Emperor penguin population, to the point where they
will be endangered in 2100. Use the graph to answer the
questions on the right.
What is the projected overall percentage decline in
the penguin population between 2010 and 2100?
Transcribed Image Text:6,000
5,000
4,000
3,000
2,000
Projected decline
1,000
o l le l l l ul l l l l l
1960
1970
1980
1990
2000
2010
2020
2030
2040
2050
2060
2070
2080
2090
2100
Year
Breeding pairs
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