Roger Bertram

Filmography

• How Seeds Grow

  Script Adviser

• 1984

  Simple Multicellular Animals Sponges, Coelenterates and Flatworms

  Script Adviser

• 1983

  Fungi and Man

  Consultant

• 1980

  Protista: Protozoa and Algae

  Script

• 1979

  Microbiology: Amoeba

  Script Adviser

• 1979

  The Life Cycle of a Flowering Plant

  Consultant

• 1978

  Insects: Insects_Adaptations for Survival

  Script Adviser

• 1978

  Insects: Insects_Food and Feeding Habits

  Script Adviser

• 1978

  Botany: The Life Cycle of a Flowering Plant

  Script Adviser

• 1978

  LIFE OF THE ANT

  Script Adviser

• 1977

  Insects: Water Insects

  Script Adviser

• 1975

  How Insects Develop, Part 1:The Locust and the Dragonfly

  Script Adviser

• 1974

  The Germingation and Growth of Plants

  Script Adviser

• 1974

  Plant Movements

  Script Adviser

• 1974

  How Plants Move

  Script Adviser

• 1973

  The Process of Pollination

  Script Adviser

• 1973

  The Dispersal of Seeds and Fruits

  Script Adviser

• 1973

  Climbing Plants

  Script Adviser

• 1973

  How Seeds Are Scattered

  Script Adviser

• 1973

  Plants That Climb

  Script Adviser

• 1973

  How Seeds Are Made

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