Question
A scientist presents an evolutionary tree showing lions, tigers, domestic cats and wolves. Lions and tigers share a branch point closer together than either does with domestic cats.
(a) Which two animals are most closely related? [1] (b) Which pair is most distantly related? [1] (c) What information can scientists use to construct accurate evolutionary trees? [2]
4 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.