Understanding Phylum Arthropoda
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Questions and Answers

What is the key reason for the success of arthropods?

  • Limited genetic diversity maintained through asexual reproduction
  • Large body size requiring less food and space
  • Low level of brain development and sense organs
  • Efficient respiratory systems matching their high metabolism (correct)

What feature allows arthropods to adapt to various environments?

  • Open circulatory system
  • Limited genetic diversity
  • Highly developed brain and sense organs
  • Hard exoskeleton (correct)

What is the main purpose of the segmentation of body parts in arthropods?

  • Segmentation allows specialization and efficient movement (correct)
  • Segmentation is for protection against predators
  • Segmentation is a result of limited genetic diversity
  • Segmentation is for reproductive purposes only

How do arthropods maintain genetic diversity?

<p>Through sexual reproduction (B)</p> Signup and view all the answers

What allows arthropods to have rapid movement despite their small muscles?

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

What is the main reason for the success of arthropods?

<p>Efficient respiratory systems matching their high metabolism (A)</p> Signup and view all the answers

What is the purpose of the chitin exoskeleton in arthropods?

<p>Prevents water loss allowing survival on land (C)</p> Signup and view all the answers

Which feature of arthropods allows for adaptations to the environment?

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

What is the significance of the open circulatory system in arthropods?

<p>Their hearts are more developed than other phyla we have seen (B)</p> Signup and view all the answers

Why do arthropods produce a large number of eggs and many offspring?

<p>To increase chance of survival (A)</p> Signup and view all the answers

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