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Biological Classification: Intro to Taxonomy & Kingdoms

Learn the basics of biological classification, the 5 kingdoms of life, and Carl Linnaeus's binomial nomenclature system in this biology lesson.

#biology#taxonomy#classification#science-education#kingdoms-of-life#carl-linnaeus#binomial-nomenclature
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Pitch
Year 8 Biology
How Do We Make Sense of ALL Life on Earth?
Classification of Living Things
Mr / Ms [Name]
5-Minute Lesson Intro
Colourful mosaic illustration of biology concepts
Made byBobr AI
The Hook
What do a human, a mushroom and a sunflower have in common?
Think about it… discuss with the person next to you.
30 seconds!
Human
Mushroom
Sunflower
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WHY CLASSIFY?
Without a system… biology would be CHAOS.
There are over 8 million species on Earth. Scientists need a way to organise them.
Identify
Find and name any organism
Relate
Discover evolutionary links
Organise
Group millions of species clearly
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THE BIG GROUPS
Living things are sorted into Kingdoms
ANIMALS
Move, eat other organisms, no cell wall
PLANTS
Make their own food, have cell walls
FUNGI
Absorb nutrients, decomposers
PROTISTS
Mostly single-celled, pond life
BACTERIA
Microscopic, no nucleus
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THINK ABOUT IT 🤔
Which two would YOU group together — and why?
A
Shark + Salmon — both look like fish
B
Dolphin + Salmon — both live in water
C
Shark + Dolphin — both are large predators
Vote with your hands — hands up for A… B… C…
Shark
Dolphin
Salmon
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THE TWIST!
A dolphin looks like a fish… but it's actually a mammal!
Shark & Salmon
✓
Breathe through gills
✓
Cold-blooded
✓
Lay eggs
✓
Have scales
Both are FISH 🐟
Dolphin
✓
Breathes air with lungs
✓
Warm-blooded
✓
Gives birth to live young
✓
Produces milk for young
It's a MAMMAL — like you! 🐬
Scientists use EVIDENCE, not just appearance, to classify organisms.
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MEET THE MAN WHO NAMED ALL LIFE
Carl Linnaeus
Carl Linnaeus
1707–1778
Father of Taxonomy
TAXONOMY
Every organism gets a unique scientific name.
Linnaeus invented a system called Binomial Nomenclature — every species gets TWO Latin names.
🦁 Lion = Panthera leo
🐱 House Cat = Panthera domesticus
🧍 Human = Homo sapiens
Same first name = same genus = related!
💡
It's like a surname and first name — but for ALL living things.
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BY THE END OF TODAY…
You will be able to:
1
Explain what classification is and why it matters
2
Name and describe the major kingdoms of living things
3
Understand why scientists use evidence — not just looks — to classify
🤔 Big Question to keep in mind: Are humans more closely related to mushrooms or to fish? The answer may surprise you…
Made byBobr AI
Are you more closely related to a mushroom or a fish?
Mushroom
Mushroom 🍄
or?
Fish
Fish 🐟
Let's find out together.
Open your books and let's explore the tree of life.
Classification of Living Things — Year 8 Biology
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Biological Classification: Intro to Taxonomy & Kingdoms

Learn the basics of biological classification, the 5 kingdoms of life, and Carl Linnaeus's binomial nomenclature system in this biology lesson.

Year 8 Biology

How Do We Make Sense of ALL Life on Earth?

Classification of Living Things

Mr / Ms [Name]

5-Minute Lesson Intro

The Hook

What do a human, a mushroom and a sunflower have in common?

Think about it… discuss with the person next to you.

30 seconds!

WHY CLASSIFY?

Without a system… biology would be

CHAOS.

There are over 8 million species on Earth. Scientists need a way to organise them.

Identify

Find and name any organism

Relate

Discover evolutionary links

Organise

Group millions of species clearly

THE BIG GROUPS

Living things are sorted into Kingdoms

Move, eat other organisms, no cell wall

Make their own food, have cell walls

Absorb nutrients, decomposers

Mostly single-celled, pond life

Microscopic, no nucleus

THINK ABOUT IT 🤔

Which two would YOU group together — and why?

Shark + Salmon — both look like fish

Dolphin + Salmon — both live in water

Shark + Dolphin — both are large predators

Vote with your hands — hands up for A… B… C…

Shark

Dolphin

Salmon

THE TWIST!

Shark & Salmon

Breathe through gills

Cold-blooded

Lay eggs

Have scales

Both are FISH 🐟

Dolphin

Breathes air with lungs

Warm-blooded

Gives birth to live young

Produces milk for young

It's a MAMMAL — like you! 🐬

Scientists use EVIDENCE, not just appearance, to classify organisms.

MEET THE MAN WHO NAMED ALL LIFE

Carl Linnaeus

1707–1778

Father of Taxonomy

TAXONOMY

Every organism gets a unique scientific name.

Linnaeus invented a system called <b>Binomial Nomenclature</b> — every species gets TWO Latin names.

🦁 Lion = <span style="font-style: italic; color: #2E7D32; margin-left: 8px;">Panthera leo</span>

🐱 House Cat = <span style="font-style: italic; color: #2E7D32; margin-left: 8px;">Panthera domesticus</span>

🧍 Human = <span style="font-style: italic; color: #2E7D32; margin-left: 8px;">Homo sapiens</span>

Same first name = same genus = related!

It's like a surname and first name — but for ALL living things.

BY THE END OF TODAY…

You will be able to:

Explain what classification is and why it matters

Name and describe the major kingdoms of living things

Understand why scientists use evidence — not just looks — to classify

🤔 Big Question to keep in mind: Are humans more closely related to mushrooms or to fish? The answer may surprise you…

Are you more closely related to a mushroom or a fish?

Mushroom 🍄

or?

Fish 🐟

Let's find out together.

Open your books and let's explore the tree of life.

Classification of Living Things — Year 8 Biology

  • biology
  • taxonomy
  • classification
  • science-education
  • kingdoms-of-life
  • carl-linnaeus
  • binomial-nomenclature