Practice A3.2 Classification And Cladistics (hl Only) (8) - Theme A: Unity and Diversity
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A3.2 Classification and Cladistics (HL Only)

Practice - A3.2 Classification and Cladistics (HL Only)

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the three domains of life?

💡 Hint: Think of the basic classification categories.

Question 2 Easy

Define binomial nomenclature.

💡 Hint: What name format do scientists use when naming animals?

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

Which domain consists of prokaryotic organisms with peptidoglycan?

A) Archaea
B) Eukarya
C) Bacteria
D) Protista

💡 Hint: Think of the structure that makes bacterial cells distinct.

Question 2

True or False: All synapomorphies are shared characters from the most recent common ancestor.

True
False

💡 Hint: What do we call traits that define a group based on ancestry?

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Using examples, explain how the parsimony principle applies in constructing cladograms.

💡 Hint: Think about why fewer changes might be a more reliable indicator of evolutionary development.

Challenge 2 Hard

Construct a hypothetical cladogram for four fictional species based on two shared derived traits and discuss your reasoning.

💡 Hint: What traits would you highlight? How do they indicate common ancestry?

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