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WHAT HAPPENS AFTER THE ENVIRONMENT CHANGES?

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by

Flaire-Jyle Tan

on 9 September 2015

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Transcript of WHAT HAPPENS AFTER THE ENVIRONMENT CHANGES?

Changes to ecosystems can have tremendous effects on the organisms that live there. Sometimes organisms can adjust to these changes. They may find other food sources or shelter.
The changes we cause are often severe challenges to animals , plants and microbes in nature or causing climatic change. On freshwater environments, especially lakes and ponds, some of them respond to environmental change with decreases in their numbers,
even to the point of extinction and they evolve rapidly.
Plants may die because they are not used to the new environmental change. Animals might lack food and water.

If organisms cannot adapt to the changes in their ecosystem, they may move to another location. If they will not move, the species may become threatened, endangered or extinct.

A species is threatened
if its numbers have declined to a level at which the
species may become endangered if steps are not taken to protect it.
A species is endangered when its numbers have been reduced that the species is in danger of extinction.
A species is extinct when it no loner exits in the wild or in captivity.
It is estimated that perhaps one dozen plant or animal species become extinct every hour of everyday.

For example, when habitats are lost due to the buildings of houses, animals often adapt by eatind discarded food or the plants in people's garden.
WHAT HAPPENS AFTER THE ENVIRONMENT CHANGES?
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