2.5.9

Biological Weathering

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Biological Weathering

Weathering is when rocks break down into smaller pieces. There are three types of weathering: physical, chemical and biological.

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Biological weathering

  • Biological weathering is caused by living organisms.
  • Animals and plants can break down rocks.
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Animals

  • Humans damage rocks by walking and climbing on them.
  • Burrowing animals break up rocks when they make their burrows.
  • You often see shells on rocks, on the rocky seashore. These animals damage the rocks.
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Plants

  • Plant roots can break up rocks.

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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