What is Life?
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Questions and Answers

What distinguishes matter with biological processes from matter without?

  • Ability to evolve into different species
  • Presence of DNA or RNA
  • Complex structure and organization
  • Capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction (correct)
  • Which philosopher proposed that living things have souls and embody both form and matter?

  • Aristotle (correct)
  • Charles Darwin
  • Carl Linnaeus
  • Empedocles
  • When did life originate on Earth?

  • At least 3.5 billion years ago (correct)
  • At the beginning of the Earth's formation
  • Less than a billion years ago
  • Around 2 billion years ago
  • Who developed the system of binomial nomenclature for classifying living things?

    <p>Carl Linnaeus</p> Signup and view all the answers

    What makes the definition of viruses as living organisms difficult?

    <p>They replicate only in host cells</p> Signup and view all the answers

    Who developed the first automated system for controlling traffic signals?

    <p>Leonard Casciato and Josef Kates</p> Signup and view all the answers

    In Australia and New Zealand, what is a 'phase' in terms of traffic signals?

    <p>A period of time during which a set of traffic movements receive a green signal</p> Signup and view all the answers

    What is a 'signal group' in the context of traffic signals?

    <p>One electrical output from the traffic signal controller</p> Signup and view all the answers

    What does a green phase indicate in terms of traffic signals?

    <p>Gives all traffic from a particular approach the right of way through the junction (bar turning traffic)</p> Signup and view all the answers

    What is a 'movement' in the context of traffic signals?

    <p>Any path through the junction which vehicles or pedestrians are permitted to take</p> Signup and view all the answers

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