Answer:
The freshwater trout requires a lower salt ions to function.
Explanation:
I believe that the correct answer would be Radioactive Dating of each layer because it give a precise age based on the amount of radioactive decay the rock releases over time
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They might be going through the S Phase of the cell cycle which is DNA replication. Usually, when the cells go through this phase they end up to dividing.
Answer:
D. Swamp
Explanation:
The photograph shows an ecosystem that is saturated by water. The plant species shown in the photograph are mostly trees and wooden species. These are characteristics of a swamp ecosystem. A swamp ecosystem is a wetland characterized by trees and wooden species. Therefore, the photograph shows a swamp ecosystem.