Populations of large terrestrial animals, such as African elephants and snow leopards, are in decline around the world. Many of these large animals are now on the verge of extinction. Estimated African Elephant Population on the African Continent Year 1975 1980 1985 1990 1995 2005 2010 2015 Population 2.500.000 2.000.000 1.750.000 1.000.000 750.000 600,000 550,000 450.000 425.000 a) Calculate the percent loss of elephants in Africa from 1980 to 2005. Show all work. b) The International Union for Conservation of Nature (IUCN) estimates that the elephant population will decline by 15 percent between 2015 and 2022. Use this estimate to calculate how many elephants will be left in Africa in 2022, Show all work. Most large terrestrial mammals are K-strategists. Identify one characteristic of a K-strategist and explain how the characteristic you identified can make these mammals prone to extinction. d) Animals such as elephants are often pushed out of their habitat by invasive species. 1)Identify the life strategy of invasive species and describe one characteristic of invasive species that allows them to successfully take over habitats to which they are introduced i) Explain each of the following terms and provide an example of each Generalist Specialist
Populations of large terrestrial animals, such as African elephants and snow leopards, are in decline around the world. Many of these large animals are now on the verge of extinction. Estimated African Elephant Population on the African Continent Year 1975 1980 1985 1990 1995 2005 2010 2015 Population 2.500.000 2.000.000 1.750.000 1.000.000 750.000 600,000 550,000 450.000 425.000 a) Calculate the percent loss of elephants in Africa from 1980 to 2005. Show all work. b) The International Union for Conservation of Nature (IUCN) estimates that the elephant population will decline by 15 percent between 2015 and 2022. Use this estimate to calculate how many elephants will be left in Africa in 2022, Show all work. Most large terrestrial mammals are K-strategists. Identify one characteristic of a K-strategist and explain how the characteristic you identified can make these mammals prone to extinction. d) Animals such as elephants are often pushed out of their habitat by invasive species. 1)Identify the life strategy of invasive species and describe one characteristic of invasive species that allows them to successfully take over habitats to which they are introduced i) Explain each of the following terms and provide an example of each Generalist Specialist
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
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Transcribed Image Text:Populations of large terrestrial animals, such as African elephants and snow leopards, are in decline around the
world. Many of these large animals are now on the verge of extinction.
Estimated African Elephant Population on the African Continent
1975
1980
1985
1990
1995
2000
2005
2010
2015
Population
2.500,000
2,000,000
1.750.000
1.000.000
750.000
600.000
550,000
450.000
425.000
a) Calculate the percent loss of elephants in Africa from 1980 to 2005. Show all work.
b)
The International Union for Conservation of Nature (IUCN) estimates that the elephant population
will decline by 15 percent between 2015 and 2022. Use this estimate to calculate how many elephants
will be left in Africa in 2022, Show all work.
s)
Most large terrestrial mammals are K-strategists. Identify one characteristic of a K-strategist
and explain how the characteristic you identified can make these mammals prone to extinction.
d) Animals such as elephants are often pushed out of their habitat by invasive species.
1)
Identify the life strategy of invasive species and describe one characteristic of invasive
species that allows them to successfully take over habitats to which they are introduced
i) Explain each of the following terms and provide an example of each:
i. Generalist
Specialist
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