Taxa of chordate clades (T26-29)
Evolution of tetrapods (T29)
Events in chordate evolution (various topics)
Amniotic eggs (T31)
Diversification of amniotes (T32)
Evolution of birds (T33)
External vs internal fertilization (various Theme 4 topics)
Ectothermy vs. endothermy (T27-34)
Differentiating between mammals (T34)
Characteristics of mammals (T34)
Trait development during hominin evolution (T35)
Human evolution (T35)
Derived traits of chordate clades (12 questions, T26-34)