This soft, waxy substance is found not only in your bloodstream but also in every cell in your body, where it helps to produce cell membranes, hormones, vitamin D, and bile acids that help you digest fat. Cholesterol also helps in the formation of your memories and is vital for neurological function.
Lichens are widely used as environmental indicators or bio-indicators. If air is very badly polluted with sulphur dioxide there may be no lichens present, just green algae may be found. Therefore the answer is the air quality is good because of no lichens present
Movement. All living things move in some way. ...
Respiration. Respiration is a chemical reaction that happens within cells to release energy from food. ...
Sensitivity. The ability to detect changes in the surrounding environment. ...
Growth. ...
Reproduction. ...
Excretion. ...
Nutrition.
1 is D, 2 is E, 3 is B, 4 is A, 5 is C, 6 is D, 7 is B, 8 is A.