The Mid-Atlantic Ridge (MAR) is a mid-ocean ridge, a divergent or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. ... The ridge has an average spreading rate of about 2.5 centimetres (1 in) per year.
The fittest organisms tend to survive so they continue to populate the organisms being hunted become extinct so the population of their species decreases immensely
