The technologies involved in communication tend to be complex. You certainly don't need to understand them for your ICT course. However, there are aspects of digital communications that you needs to be aware of. These relate primarily to the two types of network and the ways of connecting to the internet.
Archaeans include inhabitants of some of the most extreme environments on the planet. Some live near rift vents in the deep sea at temperatures well over 100 degrees Centigrade. Others live in hot springs (such as the ones pictured above), or in extremely alkaline or acid waters.
Introduction: Paramecium bursaria, found in almost all kinds of freshwater habitats, is a species of ciliate protozoan that has a mutualistic symbiotic relationship with green alga called Chlorella.Whereas natural populations of P. bursaria are known, their Chorella-bearing counterparts are commoner in natural habitats.he algae live inside the cytoplasm of P. bursaria and provide it with food, while in return, P. bursaria provides the algae with movement and protection (as depicted in the video below). Video 1. Mutualistic relationship between Paramecium bursaria and green algae Chlorella.