Study of science / one word substitution #one word

1. The study of the atmosphere is called Aerology . 
2. The study of plants is called Botany .
3. The study of making map and globe is called cartography .
4. The study of the structure of human body is called Anatomy .
5. The study of the properties and structure of matter is called chemistry .
6. Study of insects is called Entomology .
7. The study of the heart is called cardiology .
8. The study of the skin and skin diseases is called  Dermatology .
9. The study of the universe is called cosmology .
10. The study of the earth's crust geology
11. The study of the Sun Heliology .
12. The study of oceans oceanology .
13. The study of the navigation through air and space is called Aeronautics.
14. The study of living organisms is called biology. (Bios = life, logos = study)  Aristotle is as father of Biology (a Greek philosopher) 
15. The study of the environment is called ecology .
16. The study of earthquake seismology .
17. The study of animals is called Zoology .
18. The study of calyceal bodies of the universe is called Astronomy. The person who studies astronomy is called an astronomer.
19. Study of viruses is called virology .
20. Study of blood "Haematology".
21. Study of Tissues "Histology" .
22. Study of Flower "Anthology".
23. Study of Snakes "Ophiology"
24. Study of Tree & Bushes is called "Dendrology".
25. Study of skeleton "Osteology".  (Fact:- total bones in human endoskeleton are 206,while newly born baby have 300 bones) 
26. Study of the structure and function of cell{invented by ROBERT HOOKE(1665)}under microscope "Cytology" 
27. Study of Fungi "Mycology"  Know more 1