The fertility rate of 2.1 with which populations are expected to eventually stabilize is known as the long-term replacement rate. In other words, if a nation maintains a fertility rate of 2.1 over a long period of time the population of that nation will eventually stabilize and it will neither grow nor shrink. Immigration allows the people to grow faster than the fertility rate would suggest. Also because of past growth, the population is younger than it would otherwise be. This means that there are more potential mothers and fathers. Only after its residents age can the population of a country stabilize.
<span>The male reproductive parts of a flower is the stamens which are comprised of the anther (which produces pollen) and the filament which supports the anther. The primary purpose of the stamen is to produce pollen which is used to fertilize the female parts of the flower (typically another flower from the same species of plant, but it is possible for some plants to be self fertilizing).</span>
Answer: moving the eyes back and forth, digestion, heart, and muscle coordination
autonomic means that the system is decentralized. The vital signs and function of the organs and organ system are fine-tuned by the autonomic nervous system, which is responsible for constantly adapting the body environmental changes, both internal and external.It has output responsibilities in regulating the internal environment of your body. Associated with vital internal functions. it helps maintain internal balance and stability (homeostasis) by coordinating activities like digestion, respiration, blood circulation, excretion, and hormone secretion. It is always working. It operates reflexively and under the radar of consciousness and we are unaware of its continuous operation.
