Ecology: Levels and Components
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Questions and Answers

Which level of ecology is defined as a single living individual?

  • Community
  • Organism (correct)
  • Ecosystem
  • Population
  • Where would you expect to find the Taiga biome?

  • North of the Tropic of Cancer
  • South of the Arctic Circle
  • Between Tundra and Temperate forests (correct)
  • In the tropical rainforest region
  • What does the term 'biotic' refer to in ecology?

  • Biological community
  • Global ecosystem
  • Non-living components of an area
  • Living components of an area (correct)
  • Where is the Polar Ice biome found?

    <p>North of the Arctic Circle</p> Signup and view all the answers

    Which of the following best defines the term 'population'?

    <p>The number of individuals of one species</p> Signup and view all the answers

    What is the major development in the human body brought by evolution?

    <p>Larger brain size and complexity</p> Signup and view all the answers

    Which hominid species had relatively small brains, ape-like features, and lived in Africa 4.2 - 1 million years ago?

    <p>Australopithecus afarensis</p> Signup and view all the answers

    What is the term for physical and behavioral differences between male and female Homo sapiens?

    <p>Sexual dimorphism</p> Signup and view all the answers

    Which of the following factors affects population growth due to growth into a population?

    <p>Immigration</p> Signup and view all the answers

    What led to a decline in death rate and an increase in population due to advances in medicine?

    <p>Reduced spread of disease</p> Signup and view all the answers

    What is the transitional biome between forest-dominated and grass-dominated areas called?

    <p>Savanna</p> Signup and view all the answers

    Which hominid species had a larger brain than Australopithecus afarensis and used Oldowan stone tools?

    <p>Homo habilis</p> Signup and view all the answers

    'Temperate grasslands' are characterized by:

    <p>Extensive cover of grasses and scattered trees</p> Signup and view all the answers

    What does the process of natural selection rely on?

    <p>Change in the characteristics of a species over several generations.</p> Signup and view all the answers

    What led to an increase in infant dependency as part of human evolution?

    <p>Decrease in infant mortality rate</p> Signup and view all the answers

    What is the term for the physical ability to walk upright on two legs?

    <p>Bipedalism</p> Signup and view all the answers

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