Exploring Sample and Sampling Designs in Aquatic Ecosystems

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Questions and Answers

Which of the following is the purpose of sampling in an aquatic ecosystem?

  • To measure distribution and abundance (correct)
  • To avoid bias in measurements
  • To measure the whole ecosystem
  • To obtain an accurate representation

What is a sample?

  • A segment of an aquatic ecosystem
  • A measurement of the whole ecosystem
  • A piece of the whole ecosystem
  • A representative portion of a whole (correct)

What are the assumptions made when sampling?

  • The sample is accurate
  • The sample measures the entire ecosystem
  • The sample is biased
  • The sample is representative of the whole (correct)

Why is it usually impossible to measure the whole ecosystem?

<p>Because it is too large (B)</p> Signup and view all the answers

What is the purpose of an effective sampling regime?

<p>To obtain an accurate representation (A)</p> Signup and view all the answers

What is the main purpose of sampling in an aquatic ecosystem?

<p>To measure the distribution and abundance of organisms (C)</p> Signup and view all the answers

What is the definition of a sample?

<p>A representative portion of a whole (A)</p> Signup and view all the answers

What are the assumptions made when sampling?

<p>The sample is representative of the whole (C)</p> Signup and view all the answers

Why is it important to design an effective sampling regime?

<p>To obtain an accurate representation of the ecosystem (C)</p> Signup and view all the answers

What is the main reason why it is usually impossible to measure the whole ecosystem?

<p>The size and complexity of the ecosystem (B)</p> Signup and view all the answers

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