<span>scientific consensus changed as scientists learned more about organisms. I think thats the answer.
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Answer:
<h2><u>
Upwelling.</u></h2>
Explanation:
When winds blow at the coastline, they push the surface water offshore, so water from the below rises to the surface to fill this void. This upward movement of the water is called upwelling.
The water that is drawn from the below is usually colder, dense and rich in nutrients. It serves as a source of energy and food for the sea population like fish and other sea critters.
Answer:
The correct answer is homologous.
Explanation:
A structure that is derived from a common ancestor is called homologous structure. So homologous structure is the characteristic of divergent evolution that means divergent evolution give rise to homologous structures.
So as the marsupials are mammals that were diverged from placental mammals very early in mammalian evolution, the membranes of skin that allow Australian sugar gliders and North American flying squirrels to glide are homologous because divergent evolution gives rise to homologous structures.
The function of these homologous structures can be the same or can be different. Therefore the correct answer is their membrane are homologous.
Answer:
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