(a) State what does the study of Fossils indicate.
(b) Rearrange the following group of plants according to their evolution from Palaeozoic to Cenozoic periods :
Rhynia; Arborescent Lycopods; Conifers; Dicotytedon
a) They are evidence of evolution and they represent extinct. The life forms
varied over time and certain life forms were restricted to certain geological time
spans.
b) Rhynia ⇒Arborescent Lycopods ⇒ Conifers ⇒ Dicotyledon