That is correct. Any animal that produces milk is a mammal. That is the key characteristic that defines Class Mammalia.
Answer:
A lighting producing organ to attract mates and prey.
Explanation:
Camouflage would do very little for a fish that spends most of it's day in the middle of a dark ocean. Mimicking other deep sea creatures would actually be more of a disadvantage than an advantage, as the sounds would be more likely to scare away potential prey, rather than attract them. A light however, would attract the prey's curiousity and urge them to check out the light.
well there will be no one hunting the seals so the seals will over populate also some fish will to
Plate tectonics and the ocean floor. ... Where plates are pulled away (diverge) from each other molten magma flows upward between the plates forming mid-ocean ridges, underwater volcanoes, hydrothermal vents, and new ocean floor crust. The Mid-Atlantic Ridge, is an example of this type of plate boundary.