chapter 16 section 1 the world of cells
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Chapter 16: Section 1 The World of Cells

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Chapter 16: Section 1 The World of Cells. Why are cells important ?. They help us do what we do Breakdown food Move Grow Reproduce. Bacteria. Smallest organisms on Earth Made of only one cell. Larger Organisms. Made of many cells. Cells have jobs.

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Presentation Transcript
why are cells important
Why are cells important?
  • They help us do what we do
    • Breakdown food
    • Move
    • Grow
    • Reproduce
bacteria
Bacteria
  • Smallest organisms on Earth
  • Made of only one cell
larger organisms
Larger Organisms
  • Made of many cells
cells have jobs
Cells have jobs

Some help move things around the organism

Some fight disease

what are cells made of
What are cells made of?
  • A cell is like a bakery

Many parts doing different jobs

organelles
Organelles
  • Each does a different job
  • In the bakery: the employees
cell membrane
Cell membrane
  • Holds cell together
  • Is a boundary
  • Plants also have cell wall for support and protection

In bakery: the walls

cytoplasm
Cytoplasm
  • Like Jello/Where activities take place
  • In Bakery: The kitchen
nucleus vacuoles
Nucleus Vacuoles

Contains chromosomes (plan for cell)

In Bakery: the boss

stores food, waste

In bakery: fridge, pantry, trash can

mitochondria
Mitochondria

Where cellular respiration happens

Food energy turned into energy cell can use

In the bakery: the oven

photosynthesis chloroplasts
Photosynthesis Chloroplasts

Makes food for cell

Occurs in leaf cells

Makes leaves green

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