K.C.S.E Biology Q & A - MODEL 2019PP1QN14
Explain why fossil records as evidence of organic evolution are usually incomplete.
(a) partial/ entire decomposition of dead organisms/ organic matter;
Some parts of or entire dead organisms are eaten by scavengers;
Soft bodied organisms do not fertilize;
Destruction of parts due to natural disasters, like earthquakes/earth movements like, faulting /folding/ volcanicity/ mass movement;
Distortion of parts of an organism due to sedimentary/ faulting/folding/volcanic