Ecology: Levels of Organization

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Questions and Answers

Which of the following describes the study of ecology?

  • The relationship between organisms and their environment (correct)
  • The study of the atmosphere
  • The study of rocks
  • The study of cells

What does the term 'biotic' refer to?

  • Living organisms (correct)
  • Weather patterns
  • The Earth's crust
  • Non-living components

What is a population?

  • A group of similar organisms living in a particular place at a particular time (correct)
  • All the living and non-living things in an area
  • A group of different species living together
  • A large geographical area with similar climate

Which of the following is an example of a population?

<p>A group of people (B)</p>
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What is a community?

<p>All populations of living things in a particular place or time (D)</p>
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An example of a community is:

<p>A common place where people live (C)</p>
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What does an ecosystem include?

<p>A community along with its abiotic factors (B)</p>
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Which of the following is an example of an ecosystem?

<p>An aquarium (D)</p>
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What is a biome characterized by?

<p>Similar climates, plant life, and animal life (B)</p>
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Which of the following is an example of a biome?

<p>Temperate deciduous forest (B)</p>
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What is the biosphere?

<p>The narrow band below, on, and above the Earth's surface where life can exist (B)</p>
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Which of these encompasses all the other levels of ecological organization?

<p>Biosphere (A)</p>
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Which level of organization includes both living and non-living components?

<p>Ecosystem (A)</p>
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Which of the following lists the levels of ecological organization in the correct order from narrowest to broadest?

<p>Population, Community, Ecosystem, Biome, Biosphere (C)</p>
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A group of lions living together in the African savanna is an example of what?

<p>A population (B)</p>
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Which of the following is an abiotic factor in an ecosystem?

<p>A rock (A)</p>
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Which level of ecological organization involves interactions between different species?

<p>Community (A)</p>
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A desert is an example of which level of ecological organization?

<p>Biome (D)</p>
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Which of the following is the broadest level of ecological study?

<p>Global ecology (C)</p>
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Flashcards

What is Ecology?

Ecology is the branch of biology that studies the relationships between organisms and their living and nonliving environments.

What does 'Biotic' mean?

Biotic refers to living organisms in an environment.

What does 'Abiotic' mean?

Abiotic refers to nonliving components of an environment.

What is a Population?

A population is a group of similar organisms living in a particular place at a particular time.

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What is a Community?

A community is made up of all the living things in a particular place at a particular time.

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What is a Biome?

A biome is a series of similar ecosystems characterized by similar climates, plant life, and animal life.

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What is the Biosphere?

The biosphere is the narrow band below, on, and above the surface of the Earth where life can exist.

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Study Notes

  • Ecology is the branch of biology that studies the relationship between organisms and their living and nonliving environments.
  • Biotic means living
  • Abiotic means nonliving

Levels of organization

  • Population is a group of similar organisms living in a particular place at a particular time.

  • Community is made up of all of the living things in a particular place at a particular time.

  • Ecosystem is a community along with its abiotic components.

  • Biome is a series of similar ecosystems characterized by similar climates, plant life, and animal life; for example, a temperate deciduous forest, the savanna, and the taiga.

  • Biosphere is a narrow band below, on, and above the surface of the Earth where life can exist.

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