The main three theories are that - all organisms are composed of cells- the cell is the basic unit of structure and organization in organisms- All cells come from pre-existing cells
Alfred Wegener believed that mountains were created because Earth was cooling down and shrunk. This was thought to construct "folds" or mountains in the Earth's crust if the concept was right. But, mountains would be layout evenly above the Earth's surface.
They actually are not, due to shape.
Answer:
During interphase (1), chromatin is in its least condensed state and appears loosely distributed throughout the nucleus. Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5).
Explanation: