Charles Darwin made the observations which led to the theory of evolution.
Lipids include triglycerides, phospholipids, and Sterols.
By eating plants and other animals, because they obtain their carbon from food.
Answer:
Electron microscope is a device which is used to see microscopic objects using electon. In this tyoe of microscope electron is thrown on an object whose image is formed on the screen. It resolution power is 10,000X. If the internal structure of an object is to be observed then SEM is used, however for three dimensional structure, TEM is used.
