Biology Chapter 1

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Chapter 1: Life Processes

The characteristics of living organisms:

  • Movement
  • Respiration
  • Sensitivity
  • Growth
  • Reproduction
  • Excretion
  • Nutrition

They can be rembered as MRS GREN

Cell structures:

All living organsims are made of cells. Animal cells that are not specialised have a cell membrane, cytoplasm,neucleus and a mitochondria. A plant cell that is not specialised has a cell wall made of cellulose,a vacuole and chloroplasts. During a metabolic reaction enzymes at as biological catylysts which means they speed the…


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