FIGURE 5. All these upside down trees represent the same relationships. Psilotum and Riccia are more closely related to each other than either is to Chara. This is true for all these tree ‘mobiles.’
Evolution: Process and History
Evolution: Process and History
FIGURE 5. All these upside down trees represent the same relationships. Psilotum and Riccia are more closely related to each other than either is to Chara. This is true for all these tree ‘mobiles.’