(a) 1- Invertebrates, 2-Pisces, Amphibia, Reptiles, 3-Reptiles, 4- Mammals, Aves
(b) Paleontological evidence is shown in the picture by the study of fossil found in the layers of the ground.
(c ) (i)Carbon dating is a method used in determining the age of fossils and manuscripts (ii) The time passed since the death of a plant or animal can be calculated by measuring the radioactivity of C-14 and the ratio of C-14 and C-12 present in their body.
