Can you describe a cladogram that includes humans and other primates? What evolutionary relationships does it illustrate?

How has evidence from cladistics led to re-evaluations of traditional classifications based on structure?

What is a cladogram, and what does it show about the sequence of divergence in clades?

What is the difference between analogous and homologous traits, and how are they identified?

How does the gradual accumulation of sequence differences relate to the time since two species diverged from a common ancestor?

How can the base sequence of a gene or the amino acid sequence of a protein provide evidence for clade membership?

What is a clade, and what determines if organisms belong to the same clade?

Why is cooperation among scientists important in using the binomial naming system for species?

How is a dichotomous key constructed, and how is it useful in identifying specimens?

What features are characteristic of birds, mammals, amphibians, reptiles, and fish?