Today we discussed the ways in which organisms have adapted to survive in the varying conditions found in aquatic ecosystems. There are three broad categories of the types of organisms that exist in water; plankton (drifters), Nekton (free-swimming organisms), and Benthos (bottom dwelling organisms). I watched an online news segment about a marine biologist who has been studying some fascinating Benthos organisms, primarily the cuttlefish, and their amazing adaptations for camouflage. Octopi also have a camouflage adaptation and he was following one octopus for a while when he was able to capture this amazing footage:
What is eutrophication? How does it happen? What effects does it have on aquatic ecosystems?