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: The '''environment''' depends on the temperature, amount of water, amount of sunlight and the amount of nutrients in the soil.
: When there is an '''environmental change''' this can change or destroy a habitat.
: '''Environmental change''' can cause certain types of creature to all die.: Too much rain can cause floods which kill creatures that live underground.: If there is not enough rain it causes a drought and creatures run out of water.: If a habitat gets too cold lots of the creatures might die.
===Examples===
{| class="wikitable"
|+ Bad changes to the environment.
|-
|[[File:PolarBearIceberg.png|center|200px]]
|[[File:Deforestation.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |If the temperature of Arctic habitats goes too high all the ice will melt and polar bears might all die.
| style="height:20px; width:200px; text-align:center;" |Woodland habitats are cut down to make room for fields for cattle. When the woodlands are taken away the creatures that need that habitat will die.
|-
|[[File:BeachLitter.png|center|200px]]
|[[File:DinosaurExtinction.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |Pollution like litter can kill lots of creatures in a habitat because they eat it by accident and it gets stuck in their stomachs.
| style="height:20px; width:200px; text-align:center;" |An asteroid hit the Earth 66 million years ago and the dust and ash from the fires blocked out the sunlight for years. This caused all the dinosaurs to die.
|}
{| class="wikitable"
|+ Helping the environment.
|-
|[[File:NatureReserve.png|center|200px]]
|[[File:GardenPond.png|center|200px]]
|-
| style="height:20px; width:200px; text-align:center;" |Making 'nature reserves' that humans are not allowed to damage can make sure habitats are not destroyed.
| style="height:20px; width:200px; text-align:center;" |Building a pond in a garden provides a habitat for many wild animals and plants.
|}