That carries oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale. Red blood cells are made inside your bones, in the bone marrow. They typically live for about 120 days, and then they die.
The answer is the third one!! :)
<span>Population size is closely linked to its rate of change. If the population is below the threshold for the resources available, it will increase in size ... The more distance between the actual size and the threshold, the greater the rate of increase. If the population is above its threshold, it will start to decrease in size. The threshold will be the equilibrium position so it will tend to wave up and down until it gets to the equilibrium. The reason real life populations don't do this is because the resources are changing all the time so the equilibrium is a moving target.</span>
According to the ecological approach, differences in ecology generate differences in culture, which in turn shapes socialization.
Different species live different live, have different priorities and needs and shape the socialization.
This approach is focused on <span>understanding the dynamic interrelations among various personal and environmental factors.</span>
