14. Evolutionary history is documented in an organism's 15. are two applications of enzymes in daily life. and energy. Disorders are caused due to malfunctioning of enzymes that recycle cellular and 16. Life on earth requires 17. wastes 18. Stomach pH is strongly pH. 19. changes are much slower and hence used to track changes over millions of years 20. developed the radioactive carbon dating method 21. Closest protist relatives of animals are 22. Chilka lake in Orissa is an example of 23. Flowering plants spend most of their time in the 24. biome phase genes are genes that diverged from a common ancestor giving rise to new function. 25. acids/bases often serve as buffers.