Biology Chapter on Ecosystems and Populations
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Questions and Answers

What is the term used to describe all members of a species in a given area at the same time?

  • Community
  • Individual
  • Ecosystem
  • Population (correct)

Which level of organization includes both living and non-living components in an area?

  • Biosphere
  • Ecosystem (correct)
  • Individual
  • Community

What encompasses all ecosystems on Earth?

  • Population
  • Ecosystem
  • Biosphere (correct)
  • Community

Which level of organization refers to a single member of a species?

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

Which of the following represents all populations in a given area at the same time?

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

What defines a population within an ecosystem?

<p>All organisms of the same species living in the same area (C)</p> Signup and view all the answers

Which of the following best describes a community in an ecosystem?

<p>The interactions among various populations of different species in an area (B)</p> Signup and view all the answers

How do elephants typically organize themselves in their ecosystem?

<p>By moving in herds to enhance safety (B)</p> Signup and view all the answers

Which of the following correctly states a relationship between species and populations?

<p>A species is comprised of organisms capable of interbreeding within a population (A)</p> Signup and view all the answers

What role do nonliving things play in an ecosystem?

<p>They provide essential resources for living organisms (A)</p> Signup and view all the answers

Flashcards

Ecosystem

All living and nonliving things, and their interactions, in an area.

Population

All the organisms of the same species in the same area at the same time.

Species

A group of organisms with similar traits that can reproduce together.

Community

All the populations of different species that live together in the same area.

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Organism

A single living thing.

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Individual

A single member of a species.

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Biosphere

The regions of Earth where life exists.

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