Endoplasm<span> generally refers to the inner (often granulated), dense part of a cell's cytoplasm. This is opposed to the </span>ectoplasm<span> which is the outer (non-granulated) layer of the cytoplasm, which is typically watery and immediately adjacent to the plasma membrane.</span>
The nucleus is particularly important among eukaryotic organelles because it is the location of a cell's DNA. Two other critical organelles are mitochondria and chloroplasts, which play important roles in energy conversion and are thought to have their evolutionary origins as simple single-celled organisms.
The local area was once an aquatic environment
Conduction transfers heat through solids , Convection transfers heat through liquids or gasses, and Radiation occurs through a solid, liquid, or gas.
