Human Trafficking Defined. The chart below, developed by the Solidarity Center, extrapolated and simplified from the 2000 UN Protocol to Prevent, Suppress and Punish Trafficking in Persons, especially women and children definition, is a useful tool for analyzing individual cases to determine whether or not they constitute trafficking.
Foster & Smith Educational Staff Macroalgae such as Halimeda, Chaetomorpha, and other large celled algae are valuable additions to a saltwater aquarium. Algae and all photosynthetic creatures serve two important roles in the ecosystem of the oceans and aquariums.
1 Some filamentous colonies show the ability to differentiate into three different cell types. 2  Despite their name, different species can be red, brown, or yellow; blooms (dense masses on the surface of a body of water) of a red species are said to have given the Red Sea its name. 3  There are two main sorts of pigmentation. Although red algae are found in all oceans, they are most common in warm-temperate and tropical climates, where they may occur at greater depths than any other photosynthetic organisms. 2  Most of the coralline algae, which secrete calcium carbonate and play a major role in building reefs, belong here.