Sunday, 12 May 2013

3.b) Explain how any one of the factors given on the diagram contributes to a loss of biodiversity in tropical rainforests. (climate change)

The world's climate is currently changing due to different factors such as change in solar energy output. The change in climate will cause the lose of biodiversity, as most animals can only adopt to specific environments, and this change in environment will cause endangerment of the species as they are unable to adopt to the changes of the environment at a quick enough rate. Some animals will become endangered due to increase in water level drowning species that live close to the sea level. This will result in more loss of biodiversity due to the system of the food chain, creating a multiplier effect. As one of species become extinct, this causes the predators to lose a source of their food. This will either lead to the endangerment of the predators as they are unable to have enough nutrition. Or that the predators will hunt down other preys, which will decrease the population of a third species, creating the multiplier effect.

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