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 (D)</p> Signup and view all the answers

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

<p>The number of individuals of one species (B)</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 (C)</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 (A)</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 (D)</p> Signup and view all the answers

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

<p>Immigration (A)</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 (D)</p> Signup and view all the answers

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

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

'Temperate grasslands' are characterized by:

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

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

<p>Bipedalism (A)</p> Signup and view all the answers

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