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IB Biology - Classification Exam (2025) Exam Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026!!

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IB Biology - Classification Exam (2025) Exam Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026!!

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10/8/25, 6:37 AM IB Biology - Classification Exam (2025) Exam Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026!! Flashcards | …




IB Biology - Classification Exam (2025) Exam
Questions & Answers | Latest Already Graded A+
UPDATE 2025|2026!!

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Terms in this set (35)


the study of the diversity of life and its evolutionary
Systematics
history

the naming and arranging of living organisms into
Taxonomy
groups

Phylogeny evolutionary history

System of classifying organisms by 2 name system
Binomial System of (bi=2, nomen=name)
Nomenclature Latin or Greek
"Genus species"

1. Genus = Uppercase
Rules of Binomial 2. species = lowercase
Nomenclature 3. Italics if typed
4. Underlined if handwritten

Aristotle Classification used until 1400s

Carolus Linneaus 1700s to now
Classification




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, 10/8/25, 6:37 AM IB Biology - Classification Exam (2025) Exam Questions & Answers | Latest Already Graded A+ UPDATE 2025|2026!! Flashcards | …


Kingdom
Phylum
Class
Hierarchy of Taxa (7) Order
Family
Genus
Species

a taxonomic group of any rank
Taxon
EX: species, family, class

1. Eubacteria
3 Domains 2. Archaea
3. Eukarya

-prokaryote (no organized nucleus/organelles)
Eubacteria
EX: E. coli

-prokaryote (no organized nucleus/organelles)
-extreme environments
Archaea
EX: Sulfur Bacteria in hot springs of Yellowstone Nat.
Park

1. Methanogens
3 Examples of Archaea
2. Thermophiles
Types
3. Halophiles

-eukaryote (DNA within nucleus/organelles)
Eukarya
EX: kingdoms of Plants, Animals, Protists, Fungi

1. Plantae (plants)
2. Animalia (animals)
5 Kingdoms 3. Fungi (fungi & molds)
4. Protoctista (protozoa & algae)
5. Prokaryotae (bacteria)

-single celled
Bacteria -no organized nucleus
-no membrane bound organelles




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