Evolutionary Trees
Biology: AQA GCSE Higher, topic 6.4.4
Evolutionary Trees
Evolutionary trees are used to show how scientists believe organisms are related.
Evolution
- The start of the tree is a common ancestor and the branches show the species that have evolved from the common ancestor.
Classification
- Current classification data is used for living organisms and fossil data is used for extinct organisms.
Test yourself on Evolutionary Trees
What type of data would a biologist use to add a currently living species of frog to an evolutionary tree?
Which of these are correct about evolutionary trees?
Which of these is correct about data used in evolutionary trees?