characteristics of life

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Across
  1. 4. an action by an organism or part of an organism causing a change of position or place
  2. 6. chemical reactions in cells break down nutrition molecules, providing energy for metabolism
  3. 7. The ability to detect and sense stimuli internal or external environment to response appropriately
Down
  1. 1. the taking in of materials for energy, growth and development. Plants need light, carbon dioxide, water and ions. Animals need water, organic compounds and ions
  2. 2. a permanent increase in size and dry mass by an increase in cell number or cell size or both
  3. 3. the process that makes more of the same kind of organism
  4. 5. The removal from organism of waste products from metabolism, toxic materials and substances excess of requirement.