from cells to organisms multicellular unicellular organism from cells to organisms tissue organ...

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From Cells to Organisms multicellu lar unicellul ar organism From Cells to Organisms tissu e organ organ systems

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Page 1: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

From Cells to Organisms

multicellular

unicellular

organism

From Cells to OrganismsFrom Cells to Organisms

tissue

organ

organ systems

Page 2: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

How are living thins organized?

How are living things organized?

unicellular (ū΄nə sel΄ū lər) Made up of only one cell.

multicellular (mul΄tē sel΄ū lər) Made up of more than one cell.

unicellular

multicellular

organism

organism (ôr´gə niz´əm) An individual living thing.

Page 3: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

tissuecell organorgan

systemorganism

c

How do cells work together?

tissue (tish΄ü) A group of similar cells that work together to do the same job.

organ (ôr΄gə n) A group of tissues that work together to perform a specific bodily function.

tissue

organ

organ system

organ system (ôr΄gə n sis΄təm) A group of organs that work together to perform a specific bodily function.

Page 4: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

What are some plant and animal organ systems?

root system

skeletal system

Page 5: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Review

Main Idea

How are multicellular organisms organized?

Multicellular organisms have different levels of organization. Cells that work at the same job group into tissues. Tissues work together as organs to carry out a specific bodily function. Organs work together in organ systems to carry out an organism’s life processes.

Page 6: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Review

Multicellular organisms are made up of cells, tissues, organs, and organ systems.

Main Idea

What are multicellular organisms made up of?

Page 7: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Review

Compare and Contrast

A diatom carries out its life processes in one cell.

A frog carries out its life processes in many different cells.

They are both living

organisms.

DifferentDifferent Alike

How are a diatom and a frog alike? How are they different?

Page 8: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Review

unicellular organism

A)

B)

an individual living thing

a group of similar cells that work together to do thesame job

C) made up of more than one cell

multicellular

D) a group of tissues that work together to perform aspecific bodily function

E) made up of only one cell

tissue organ

Vocabulary

Match each word with its definition.organ

system

F) a group of organs that work together to perform aspecific bodily function

Page 9: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Review

Reading Charts

What is respiration?

Page 10: From Cells to Organisms multicellular unicellular organism From Cells to Organisms tissue organ organ systems

Cells of cellular organisms

Ch04-Organisms are made of cells

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