Characteristics of Life and Levels of Organization

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Questions and Answers

What is the term used to describe organisms that make their own food by extracting energy and nutrients from non-living sources?

  • Decomposers
  • Heterotrophs
  • Primary producers (correct)
  • Consumers

Which process involves genetic information from two parents uniting to create an offspring with a new combination of inherited traits?

  • Sexual reproduction (correct)
  • Asexual reproduction
  • Homeostasis
  • Metabolism

What is the term for the state of internal constancy that cells must maintain by counteracting changes as they occur?

  • Metabolism
  • Homeostasis (correct)
  • Autotrophy
  • Decomposition

Which category of organisms absorb energy and nutrients from wastes or dead organisms?

<p>Decomposers (A)</p> Signup and view all the answers

What strategy results in tremendous genetic diversity within a population by mixing genes at each generation?

<p>Sexual reproduction (C)</p> Signup and view all the answers

What is the correct order of hierarchy from smallest to largest based on life's organization?

<p>Atom - Molecule - Organelle - Cell - Tissue - Organ - Organ System (A)</p> Signup and view all the answers

Which of the following represents a collection of specialized cells functioning in a coordinated fashion?

<p>Tissue (C)</p> Signup and view all the answers

What is the fundamental unit of life in both unicellular and multicellular organisms?

<p>Cell (C)</p> Signup and view all the answers

Which level of organization consists of organs interacting to carry out specific functions?

<p>Organ System (A)</p> Signup and view all the answers

What process is responsible for sustaining life through countless chemical reactions inside each cell?

<p>Metabolism (A)</p> Signup and view all the answers

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