When the upper water layers warm in the summer months, they become separated from deep water by a transition zone known as a thermocline. In a thermocline, the temperature decreases rapidly with small increases in depth. This phenomenon linking temperature change with depth is called temperature stratification.
I believe vestigial structures are evidence of evolution because organisms inherit anatomy from their ancestors.
Hope that helps.
No I think you need to do some more research
They flow in all directions
El principal marina son tiburones y los rayos, pescado, y <span>pulpo.
I speak English so I'm not sure if I am correct, but...
</span>Espero que esto ayude!
