The Essence of Life
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Questions and Answers

What distinguishes matter with biological processes from matter without?

  • Composition of biochemical molecules
  • Presence in air, water, and soil
  • Capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction (correct)
  • Ability to replicate in host cells

    • What makes the definition of viruses as living organisms difficult?

  • They are composed of biochemical molecules
  • They have the capacity for homeostasis
  • They can exist in harsh environments
  • They replicate only in host cells (correct)

    • When did life originate?

  • At least 2 billion years ago
  • At least 4 billion years ago
  • At least 5 billion years ago
  • At least 3.5 billion years ago (correct)

    • Who proposed the theory of materialism, asserting that life was composed of four eternal elements?

    <p>Empedocles</p> Signup and view all the answers

    In which era did modern classification of living things begin?

    <p>1740s</p> Signup and view all the answers

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