Hello!
By the most general biophysiological definition<span>, the </span>biosphere<span> is the global ecological</span>system<span> integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and </span>atmosphere<span>.
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2 and 3. Seeing as only 1 parent is producing the offspring, it’s bound to have be identical. Flowering plants can be produced asexual or sexually so it has to be 2 and 3.
Because of the fact that female mammals have chromosomes from both parents (from the father and from the mother) and all cells have the same inactivated X chromosome female mammals are considered to be mosaic <span>of the maternal and paternal cells.</span>
Crossing over creates more variety by changing the linkage between genes. In a population that does not experience crossing over, the genes on the same chromosome will always be on the same chromosome and therefore inherited together.
In populations that do experience crossing over in diplonema during prophase I, the phenotypes will be more diverse because there is a greater chance for genes to be separated from one another and inherited separately. Crossing over does not always happen in the same location, so for populations in which this occurs, there is an exponentially greater number of inheritance combinations.
You should be able to answer your own questions with that information.
Density of water is highest at 4 degree celsius so, when it decreases below 4, it decreases
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