Biology SL
Biology SL
4
Chapters
553
Notes
Theme A - Unity & Diversity
Theme A - Unity & Diversity
Theme B - Form & Function
Theme B - Form & Function
Theme C - Interaction &  Interdependence
Theme C - Interaction & Interdependence
Theme D - Continuity & Change
Theme D - Continuity & Change
IB Resources
Theme D - Continuity & Change
Biology SL
Biology SL

Theme D - Continuity & Change

Unlocking Cell Division Life’s Continuity Secret

Word Count Emoji
415 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Why do Organisms Produce New Cells? 🌱

  • Purpose of New Cells

    • Growth: Just like how you grew taller since last year!
    • Maintenance: Like fixing a broken toy, cells replace old, worn-out ones.
    • Reproduction: Passing on traits to the next generation.
  • Fun Fact: The cell that divides is the "mother cell" and the resulting cells? They're called "daughter cells". The twist? The mother cell doesn't stay around like human parents do. Instead, it morphs into two new cells!

Origin of New Cells - The Only Ever "Cell Theory" 🧬

  • Core Concept: New cells come ONLY from existing cells dividing. Think of it as a cake that was split to make two smaller cakes 🍰➡️🧁🧁.

  • Evidence: Scientific studies and observations support this.

  • Mind-blowing Implication:

    • All cells in our body trace back to one cell, called the zygote. It’s like the starting point in a massive relay race.
    • This zygote is formed by the fusion of a sperm (from Dad) and an egg (from Mom). Think of it as the ultimate collaboration project!

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IB Resources
Theme D - Continuity & Change
Biology SL
Biology SL

Theme D - Continuity & Change

Unlocking Cell Division Life’s Continuity Secret

Word Count Emoji
415 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Why do Organisms Produce New Cells? 🌱

  • Purpose of New Cells

    • Growth: Just like how you grew taller since last year!
    • Maintenance: Like fixing a broken toy, cells replace old, worn-out ones.
    • Reproduction: Passing on traits to the next generation.
  • Fun Fact: The cell that divides is the "mother cell" and the resulting cells? They're called "daughter cells". The twist? The mother cell doesn't stay around like human parents do. Instead, it morphs into two new cells!

Origin of New Cells - The Only Ever "Cell Theory" 🧬

  • Core Concept: New cells come ONLY from existing cells dividing. Think of it as a cake that was split to make two smaller cakes 🍰➡️🧁🧁.

  • Evidence: Scientific studies and observations support this.

  • Mind-blowing Implication:

    • All cells in our body trace back to one cell, called the zygote. It’s like the starting point in a massive relay race.
    • This zygote is formed by the fusion of a sperm (from Dad) and an egg (from Mom). Think of it as the ultimate collaboration project!

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Biology SL. Subscribe now and get closer to that 45 🌟