As population size approaches the carrying capacity of the environment, the intensity of density-dependent factors increases. For example, competition for resources, predation, and rates of infection increase with population density and can eventually limit population size
White blood cells, or leukocytes, contain the same organelles as eukaryotic cells, such as the Golgi<span> apparatus, </span>mitochondria<span>, a </span>nucleus<span> and </span>nucleolus<span>, centrioles, rough </span>endoplasmic reticulum<span>, smooth </span>endoplasmic reticulum<span> and peroxisomes.</span>
