Answer:
A similarity between sharks and ray-finned fishes is that they have a lateral line that is sensitive to changes in water pressure.
Answer:
Luster
Explanation:
That's the answer for e2020
In science, the mantle is a layer of the earth between the core (inner layer) and the crust (outer layer).
https://www.researchgate.net/publication/263703355_Management_challenges_of_Didymosphenia_geminata