The answer is "Speciation".
When a population of organisms gives rise to new more species and this new species cannot effectively breed with one another, the term for the process is called Speciation. It refers to the evolutionary process in which the reproductively isolated populations of species evolve to become distinct species.
<span>The hydrogen-oxygen ratio is different.
Carbohydrates and lipids are macromolecules. These macromolecules or biomolecules help organisms to conduct and execute certain cellular activites making them alive and thrive in their certain environment. It is only that carbohydrates are more efficient at producing energy than lipids.</span>
Explanation:
<em><u>Members of the kingdom Euglenozoa do have mitochondria, but are a diverse group in terms of structure. All euglenoids have a flagellum, whereas the kinetoplastids have a kinetoplast</u></em>

Second option- because if there is too much of the owls, it will be imbalanced and the mouse population will go down
There is no element with one valence electron and six energy levels. Only two valence electrons and six energy levels.
Answer:
Calcium
Explanation:
A: Calcium is a group 2 element with two valence electrons. Therefore, it is very reactive and gives up electrons in chemical reactions. It is likely to react with an element with six valence electrons that “wants” to gain two electrons. This would be an element in group 6, such as oxygen.