Density in particular is an important property in ocean science because small spatial changes in density result in spatial variations in pressure at a given depth, which in turn drive the ocean ...
You will unlock it as soon as you enter every ocean biome. Unfortunately, if you are a Java Edition player, you are most likely unaware of this exclusive achievement. Hopefully, Mojang will add it ...
Examples of specific ocean microbiomes range from the bacterial community in a fish gut to spring bloom microbial communities composed of everything from phytoplankton or tiny unicellular algae, ...