Classification

Question 1

What is Classification?

Answer 1

Classification is the process of grouping living organisms based on their similarities and differences

Question 2

Classification It helps scientists to:

Answer 2

• Organise living things
• Understand how organisms are related
• Identify new species

Question 3

The Binomial System developed by

Answer 3

Developed by Carl Linnaeus.

Question 4

What is The Binomial System

Answer 4

Every organism has a two-part Latin name:
• First part = Genus (always capitalised)
• Second part = Species (always lowercase)

Question 5

The Binomial System example

Answer 5

✅ Example: Homo sapiens
• Homo = Genus
• sapiens = Species

Question 6

What are humans called

Answer 6

Homo sapiens

Question 7

The 7 Levels of Classification

Answer 7

1. Kingdom
   
   2. Phylum
   3. Class
   4. Order
   5. Family
   6. Genus
   7. Species

Question 8

The 3-Domain System (by Carl Woese)

Answer 8

Archaea
Bacteria
Eukaryota

Question 9

Evolutionary Trees

Answer 9

These are diagrams that show how species are related through common ancestors.

Question 11

The binomial name is always in..

Answer 11

Latin, and the genus comes first (with a capital letter).

Question 12

Archaea are not the same as…

Answer 12

bacteria – they live in extreme conditions and have different genes.

Question 13

The 3-domain system is based on…

Answer 13

genetic evidence, not just appearance.

Question 14

Evolutionary trees show relationships, not…

Answer 14

lifespans or size of organisms.

Question 15

What is classification?

Answer 15

Grouping living organisms by similarities and differences

Question 16

Who developed the binomial system?

Answer 16

Carl Linnaeus

Question 17

What are the two parts of a scientific name?

Answer 17

Genus and species

Question 18

Give an example of a binomial name.

Answer 18

Homo sapiens

Question 19

What is the domain system and who proposed it?

Answer 19

3-domain system (Archaea, Bacteria, Eukaryota) – Carl Woese

Question 20

What is an evolutionary tree?

Answer 20

A diagram that shows how species are related through common ancestors

Question 21

Which domain includes humans and plants?

Answer 21

Eukaryota

Question 22

What does “species” mean in classification?

Answer 22

A group of similar organisms that can breed and produce fertile offspring

Question 23

Mnemonic for the 7 levels of classification:

Answer 23

Keep → Kingdom
Penguins → Phylum
Cool → Class
Or → Order
Freeze → Family
Giant → Genus
Socks → Species

Question 24

Keep
Penguins
Cool
Or
Freeze
Giant
Socks

Stand for

Answer 24

Kingdom
Phylum
Class
Order
Family
Genus
Species