Multicellular Organisms and Their Functions

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Questions and Answers

What is the term used for cells that have specific functions in multicellular organisms?

  • Identical cells
  • Stem cells
  • Specialized cells (correct)
  • Generic cells

What is a crucial process for growth and development in multicellular organisms?

  • Cell elongation
  • Cell division (correct)
  • Cell fusion
  • Cell differentiation

During differentiation, muscle cells and nerve cells are derived from what type of cells?

  • Stem cells (correct)
  • Muscle progenitor cells
  • Generic cells
  • Specialized cells

What is necessary for specialized cells to effectively capture an insect, as demonstrated in frogs?

<p>Working in coordination (B)</p> Signup and view all the answers

What is the result of cell division that leads to the formation of specialized cells?

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

What is the primary function of mitochondria in cells?

<p>Transforming oxygen and sugar into energy (A)</p> Signup and view all the answers

Photosynthesis occurs in the mitochondria of both animal and plant cells.

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

What two substances are transformed into sugar and oxygen during photosynthesis?

<p>Carbon dioxide and water</p> Signup and view all the answers

In the process of __________, chloroplasts convert CO2 and water into sugar and oxygen.

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

Match the following components with their respective processes:

<p>Mitochondria = Cellular Respiration Chloroplasts = Photosynthesis Oxygen = Product of Cellular Respiration Glucose = Product of Photosynthesis</p> Signup and view all the answers

Flashcards

Specialized Cells

Cells in multicellular organisms that perform specific tasks.

Mitosis

The process of cell division creating identical cells.

Differentiation

Cells becoming specialized for unique functions.

Multicellular Organisms

Organisms composed of many different types of cells.

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Tissue

Groups of specialized cells working together.

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Cellular Respiration

The process cells use to break down sugar (glucose) to release energy.

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Mitochondria

The organelle in cells responsible for cellular respiration.

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Photosynthesis

The process by which plants use sunlight, water, and carbon dioxide to create sugar.

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Chloroplasts

Organelles found in plant cells where photosynthesis occurs.

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What do mitochondria need to create energy?

Mitochondria need sugar (glucose) produced by photosynthesis and oxygen from the environment.

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Study Notes

Multicellular Organisms

  • Organisms rely on various cell types for functions
  • Specialized cells perform specific tasks like digestion and movement
  • Cells must interact with each other to function effectively in an organism

Example: Frog

  • Specialized cells (eyes, muscles, tongue) work together
  • Coordinated actions (e.g., catching insects) require precise cell function

Growth and Development

  • Growth starts with cell division (mitosis)
  • Single cells divide to create identical cells
  • Cells differentiate, specializing in different functions
  • Some cells become muscle cells, others nerve cells
  • Specialized cells form tissues

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Related Documents

Cell Processes PDF
Multicellular Organisms PDF

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