An evolutionary tree shows that species P separated from the ancestors of Q and R 12 million years ago. Q and R separated from each other 4 million years ago.
P and Q now look more alike than Q and R.
Which conclusion is supported by the tree?
P and Q are closest relatives because their structures match.
Q and R are closest relatives because their ancestor is newer.
P and R are closest relatives because their ancestor is older.
P and Q are closest relatives because their split occurred first.
40 exam-style questions on AQA GCSE Biology 6.4 Classification of living organisms, covering 6.4 Classification of living organisms. Each one has a worked solution and a mark scheme showing where the marks go.