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Habitat Loss
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Habitat Fragmentation
When large habitats are divided into smaller __________________. People need to make roads What will happen? the type of organism in an area will change difficult for organisms to move some organisms become ___________ fragments extinct
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Soil Degradation erosion Water pollution damages soil.
Cutting down forests causes soil ____________ erosion
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Soil Compaction
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Soil Compaction
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Soil Compaction loses air
Soil is compacted (tightly squeezed) together Heavy farm machines presses soil together What will happen? soil _______________ soil cannot grow food loses air
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Land Uses
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Urbanization human population habitat loss What is it?
The growth of cities Why does it happen? Increase in _________ ______________ (7 billion people) How does it change the environment? __________________ human population habitat loss
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Roads habitat fragmentation What is it? Building streets, highways
Why does it happen? Transportation for people and resources How does it change the environment? Mainly ______________ __________________ habitat fragmentation
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Deforestation habitat loss soil degradation What is it?
Cutting down forests Why does it happen? Paper, wood, land for farms How does it change the environment? ______________ kills all plants and animals in an ecosystem __________________ habitat loss soil degradation
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Agriculture livestock habitat loss habitat fragmentation
What is it? Farming crops or __________ Why does it happen? Need food How does it change the environment? ______________ ______________________ livestock habitat loss habitat fragmentation soil degradation soil compaction
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Industry What is it? Producing stuff for people Why does it happen?
People want things like cell phones and clothes How does it change the environment? water pollution air pollution some habitat loss
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Mining What is it? Getting materials out from the earth like metals, coal, uranium Why does it happen? need materials to make our stuff need uranium for nuclear power How does it change the environment? ______________________ Cyanide (from mining gold and silver, prevents cellular respiration) & heavy metal pollution water pollution
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Mine Reclamation after a mine is closed, grow plants that can survive in contaminated soil
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