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 A - Unity & Diversity
Biology SL
Biology SL

Theme A - Unity & Diversity

Unlock Binomial Naming in Biology!

Word Count Emoji
357 words
Reading Time Emoji
2 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Do you ever wonder why we use those fancy Latin names for animals and plants? Well, it's thanks to the binomial system for naming organisms, and it's like having a precise address for every living thing on Earth!

What is the binomial system? 🎓

  • It's a two-word system used by biologists worldwide to name species.
  • For instance, the beautiful twinflower is named Linnaea borealis.
  • First word: Genus (like a family name) ➔ Linnaea
  • Second word: Species (like a personal name) ➔ borealis

The rule book of binomial nomenclature 🏛️

  • Genus Name: Starts with an uppercase letter, just like a proper noun.
    • Example: For humans, our genus is Homo.
  • Species Name: Always starts with a lowercase letter.
    • Example: Our species name is sapiens.
  • Font Fun: In printed text, these names are italicized.
    • Example: The lion is written as Panthera leo.
  • Shortcuts Allowed: After using the full name, you can abbreviate the genus to just the initial letter.
    • Example: Instead of writing Panthera leo again, just use P. leo.

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IB Resources
Theme A - Unity & Diversity
Biology SL
Biology SL

Theme A - Unity & Diversity

Unlock Binomial Naming in Biology!

Word Count Emoji
357 words
Reading Time Emoji
2 mins read
Updated at Emoji
Last edited on 5th Nov 2024

Table of content

Do you ever wonder why we use those fancy Latin names for animals and plants? Well, it's thanks to the binomial system for naming organisms, and it's like having a precise address for every living thing on Earth!

What is the binomial system? 🎓

  • It's a two-word system used by biologists worldwide to name species.
  • For instance, the beautiful twinflower is named Linnaea borealis.
  • First word: Genus (like a family name) ➔ Linnaea
  • Second word: Species (like a personal name) ➔ borealis

The rule book of binomial nomenclature 🏛️

  • Genus Name: Starts with an uppercase letter, just like a proper noun.
    • Example: For humans, our genus is Homo.
  • Species Name: Always starts with a lowercase letter.
    • Example: Our species name is sapiens.
  • Font Fun: In printed text, these names are italicized.
    • Example: The lion is written as Panthera leo.
  • Shortcuts Allowed: After using the full name, you can abbreviate the genus to just the initial letter.
    • Example: Instead of writing Panthera leo again, just use P. leo.

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 🌟