The mesopelagic zone gets the amount of sunlight, which is not enough for the process of photosynthesis. Most of the fish in this zone is small, and not as much food is available for them.
They depend on gelatinous flesh for their neutral buoyancy so they don't need the energy to maintain buoyancy. The pressure of swim blade would cause them to rupture hence they can not have swim blades.
The correct answer of the question above is the first statement. In anaphase I, homologous pairs are separated but sister chromatids stay joined together. It is <span>best statement that describes the major difference between anaphase of mitosis and anaphase I of meiosis.</span>
