Answer:
Youngest ages are at the middle of the pattern (on the oceanic ridges) and the seafloor grows older moving outwards to each side of the middle. 4. Africa and South America used to be joined together in Pangea, but are now separated by the Atlantic Ocean
These animals have evolved to survive the extreme pressure of the sub-photic zones. The pressure increases by about one bar every ten meters. To cope with the pressure, many fish are rather small. These creatures have also eliminated all excess cavities that would collapse under the pressure, such as swim bladders.
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Answer:
Nitrogen-fixing plants, such as lupines (Lupinus sp.), are critical to primary succession, as these species enrich the otherwise intolerable soil and allow other species to subsequently establish [2].
Explanation:
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