B. hydrosphere
Why? The hydrosphere contains all the waters on the earth's surface, including atmospheric moisture, such as clouds.
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<h2>Blood is forced upward and toward</h2>
Explanation:
- In the cardiovascular cycle, the autonomous withdrawal and unwinding of heart cells are facilitated through the movement of the heart's characteristic conduction framework and by cell-to-cell correspondence by means of the hole intersections in the myocardial cells themselves.
- The natural conduction arrangement of the heart comprises of nodal tissue, whose specific cells have both apprehensive and solid qualities. Nodal tissue is restricted in explicit areas of the heart.
Answer:
1.In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. The theory of evolution is based on the idea that all species? are related and gradually change over time.
2.Survival of the fittest is a simple way of describing how evolution (the process by which gradual genetic change occurs over time to a group of living things) works. It describes the mechanism of natural selection by explaining how the best-adapted individuals are better suited to their environment.
Here is what all 3 symbiotic relationships are: Parasitism is where one organism is benefited and the other is harmed. Commensalism one organism is benefited and the other one is not helped or harmed. Mutualism is were both organisms are benefited or both help each other. Easy ways to remember symbiotic relationships :)
