Ecology: Resource Partitioning and Habitat Partitioning
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Questions and Answers

What is the main purpose of resource partitioning in an ecosystem?

  • To increase the population of keystone species
  • To promote interspecific competition for limited resources
  • To divide resources to avoid interspecific competition for limited resources (correct)
  • To reduce the number of species in an ecosystem

    • What is an example of habitat partitioning in anole lizard species found on the island of Puerto Rico?

  • Different species of lizards have different lengths of proboscis
  • Different species of lizards occupy different areas of habitat such as forest floors and trees (correct)
  • Different species of lizards consume different parts of a food resource
  • Different species of lizards live in different ecosystems

    • What is the characteristic of keystone species in an ecosystem?

  • They only influence the population of other species in an ecosystem
  • They are not critical for the overall structure and function of an ecosystem
  • They have a low impact on the ecosystem relative to their population
  • They have a high impact on the ecosystem relative to their population (correct)

    • What is the adaptation of different species of bumblebees in the mountains of Colorado?

    <p>They have different lengths of proboscis to consume nectar from flowers of different species of plants</p> Signup and view all the answers

    What do different species of anole lizard species found on the island of Puerto Rico have in common?

    <p>They have similar requirements for food</p> Signup and view all the answers

    What is the result of resource partitioning in an ecosystem?

    <p>Different species coexist and are able to satisfy their needs from the limited resources present</p> Signup and view all the answers

    What is a necessary condition for successful dispersal?

    <p>Withstanding long favourable conditions during travel</p> Signup and view all the answers

    Which type of dispersal involves movement due to sudden events like floods or forest fires?

    <p>Forced Dispersal</p> Signup and view all the answers

    What is the term for the means of transportation that help in dispersal of animals?

    <p>Carriers for Dispersal</p> Signup and view all the answers

    Which type of dispersal is responsible for introducing non-native species to a region?

    <p>Anthropogenic Dispersal</p> Signup and view all the answers

    What is the result of anthropogenic dispersal of European deers and rabbits in New Zealand?

    <p>Decrease in native natural vegetation</p> Signup and view all the answers

    Which type of dispersal involves the movement of animals under their own power?

    <p>Active Dispersal</p> Signup and view all the answers

    What is the term used to describe the dispersal of microorganisms by wind?

    <p>Anemochore dispersal</p> Signup and view all the answers

    What type of carriers include air masses and air currents that transport micro-organisms?

    <p>Aeolian carriers</p> Signup and view all the answers

    What is the primary mechanism by which Aeolian carriers transport microorganisms?

    <p>Through the gusty winds that lift them</p> Signup and view all the answers

    Which type of dispersal is responsible for the transport of animals through oceanic water?

    <p>Hydrochore dispersal</p> Signup and view all the answers

    What is a factor that influences the long-distance transport of animals through oceanic water?

    <p>Ability to withstand longer duration of immersion in oceanic water</p> Signup and view all the answers

    What is an example of organisms that can be transported by Aeolian carriers through trapping devices?

    <p>Diptera, Hymenoptera, Homoptera and other arthropod insects</p> Signup and view all the answers

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