He discovered that finches in different environments had different shaped beaks
<span>Mitosis is carried out for growth and development processes. The cell divide and multiply for growing and removing the worn out cells/damaged cells. Two identical daughter cells are formed in mitosis. Errors in the same may cause genetic disorders, Sex cells divide by the process of meiosis. </span>
A state of balance between continuing processes
I think this is correct
1. Organelle, cells, tissues, organs, organ systems, organisms, population, communities, ecosystems and finally biosphere.
2. (Human Body) Bone cells, Fat cells, Nerve cells.
3. neuron, a collection of neurons, nervous system, brain
4. Plants don't have a liver, stomach or lungs, while animal organ systems do.