Species Diversity and Habitat Connectivity in Ecology

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Questions and Answers

What does the evidence from English ponds about the snail species cycles demonstrate?

  • The uniformity of snail species in all ponds
  • The resistance of snails to extinction
  • The interconnectedness of ponds through immigration (correct)
  • The rapid rate of snail reproduction

Why is metapopulation theory important for conservation biology?

  • To promote the extinction of smaller patches of habitat
  • To discourage migration of species between habitats
  • To highlight the significance of migration for species survival (correct)
  • To prevent recolonization in natural habitats

What do wildlife corridors aim to facilitate?

  • Destruction of natural habitats
  • Migration between patches of natural habitat (correct)
  • Elimination of vegetation in natural habitats
  • Isolation of different species

Why are wildlife corridors preserved or built between natural habitats?

<p>To prevent isolation by facilitating migration (C)</p> Signup and view all the answers

In conservation biology, what is considered when determining the preservation of smaller habitat patches?

<p>Whether similar patches exist in the area (B)</p> Signup and view all the answers

How does metapopulation theory impact the preservation decisions regarding habitats like Egan's Tree Snake's habitat?

<p>It encourages the preservation of isolated habitats (A)</p> Signup and view all the answers

'Wildlife corridors' refer to what specific feature?

<p>'Bands of land' connecting natural habitats (B)</p> Signup and view all the answers

'Metapopulation theory' emphasizes the significance of what process for species survival?

<p>'Migration' between different habitat patches (A)</p> Signup and view all the answers

'Core samples' from English ponds have demonstrated cycles of colonization and extinction in a specific species of what?

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

'Recolonization' also occurs in which areas according to the text?

<p>'Same patches' (A)</p> Signup and view all the answers

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