Characteristics of Living Organisms

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Questions and Answers

What are the key characteristics or functions that all living organisms share?

All living organisms share several key characteristics or functions.

What is the range of organization from atom to organism system called?

Order

What is the term for a living organism's response to its surroundings?

Sensitivity or response to the environment

What are some examples of things that living organisms can detect in their environments?

<p>Cold, heat, food, and water</p> Signup and view all the answers

What is the name given to the tendency of plants to bend towards a light source?

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

What is an example of a response to a sound stimulus?

<p>Turning your head in the direction of the noise</p> Signup and view all the answers

Flashcards

Order

Living things are organized into levels, from the smallest atom to complex organ systems.

Sensitivity or Response to Environment

Living things react to changes in their surroundings.

Stimulus

A change in the environment that triggers a response in a living organism.

Response

The action of a living organism in response to a stimulus.

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Adaptation

A living thing reacts to changes in its environment, allowing it to adjust and survive.

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Nutrition

The process of breaking down food for energy.

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Metabolism

Taking in substances from the environment and using them for growth and repair.

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Reproduction

The process by which living things produce offspring.

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Growth

Living things grow bigger and more complex over time.

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Homeostasis

Maintaining a stable internal environment despite external changes.

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Study Notes

Characteristics of Living Organisms

  • Living organisms share several key characteristics
  • Order: From atoms to the organism's systems

Sensitivity/Response to Environment

  • Organisms detect various environmental factors (cold, heat, food, water)
  • Example: Plants bend towards light (phototropism)
  • Stimulus: Light
  • Response: Bending towards light
  • Example 2: Turning your head towards a noise
  • Stimulus: Noise
  • Response: Turning head
  • Example 3: Pulling your hand away from something hot
  • Stimulus: Heat
  • Response: Pulling hand away

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