The resource booklet provides information on Madagascar. Use the resource booklet and your own studies to answer the following.
The resource booklet provides information on Madagascar. Use the resource booklet and your own studies to answer the following.
Figure8(a): Fact file on Siberian tiger (Panthera tigris altaica)
Figure 8(d): Siberian tiger population in Russia
Figure 8(e): Causes of tiger mortality in and near Sikhote-Alin Biosphere Reserve, 1992–2005
[Source: Russia Program, Wildlife Conservation Society.]
Outline why top carnivores are vulnerable to non-biodegradable toxins.
Explain two factors which lead to a loss of marine (ocean) biodiversity.
Evaluate one possible pollution management strategy for solid domestic waste.
Outline one method for measuring the impact of a build-up of dead organic matter in an aquatic ecosystem.
Explain how models of ecosystems might be used in species conservation.
Discuss how the introduction and re-introduction of a species can affect an ecosystem.
Figure 1(a): Savanna food chain
[Source:Djsudermann, 2019. [Elephants in the Savannah] [image online] Available at: https://pixabay.com/photos/
elephant-trees-savannah-sky-animal-4121954/ [Accessed 29 September 2020]. Source adapted.
designerpoint, 2012. Lion-wildcat-safari-africa-515030. [image online] Available at: https://pixabay.com/photos/
lion-wildcat-safari-africa-515030/ [Accessed 3 September 2020].]
Figure 1(b): Biting flies in the savanna
Biting flies bite and drink the blood of zebras. They commonly carry diseases that can be fatal to zebras.
[Source: [Tsetse fly] 2006. [image online] Available at: https://commons.wikimedia.org/wiki/File:Tsetse\_fly.png [Accessed 22
May 2020]. Source adapted.
Wellcome Material: Tropical Medicine, 2014. Illustration of ‘Tabinus socius’. [image online] Available at:
https://commons.wikimedia.org/wiki/File:Illustration_of_%27Tabinus_socius%27;_Tropical_Medicine_Wellcome_
L0025345.jpg. Second report of the Wellcome Research Laboratories at the Gordon Memorial College, Khartoum
/ Andrew Balfour. https://wellcomecollection.org/works/ez3txjfg. Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/deed.en[Accessed 22 May 2020]. Source adapted.]
State the trophic level of the zebra.
State how you could determine gross secondary productivity of the zebra.
Explain how the second law of thermodynamics applies to this food chain.
State the type of relationship that exists between biting flies and the zebra.
Zebra stripes may reduce the ability of the biting flies to land on the zebra. Describe how natural selection may have led to the evolution of zebra stripes in response to biting flies.
Figure 3(a): Graph showing Icelandic population change over time
Figure 3(b): Age-gender pyramid for Iceland in 2014
[Source: adapted from CIA World Factbook]
Outline the processes by which a species may evolve a greater tolerance to higher temperatures.
Explain how the atmosphere plays a role in maintaining life-supporting temperatures over the Earth’s surface.
In addressing environmental issues, mitigation strategies may be seen as primarily ecocentric and adaptation strategies as primarily technocentric.
To what extent is this view valid in the context of named strategies for addressing the issue of global warming?
Distinguish between the concept of a “charismatic” (flagship) species and a keystone species using named examples.
Explain the role of two historical influences in shaping the development of the environmental movement.
Discuss the implications of environmental value systems in the protection of tropical biomes.
The resource booklet provides information on Algonquin Provincial Park in Canada. Use the resource booklet and your own studies to answer the following.