The adult human skeletal system consists of 206 bones, as well as a network of tendons, ligaments and cartilage that connects them. Teeth are made of dentin and enamel and are part of the skeletal system but are not counted as bones.
Confidence votes 39. Advantages-Spores are covered by a hard protective coat which enables them to survive under unfavourable conditions like lack of water and extreme temperatures. But when the conditions are favourable, the spores grow to produce new plants.This help them to run their species at any type adverse condition or environment.Thus the advantage is that despite of unfavourable environment, their species will not be demolished. Disadvantages-spore formation process is quite primitive.lternation of generations is the term used to describe how spores  reproduce. This means, the spore is able to become a new plant or  organism from itself as a form of asex â¦ ual reproduction. The spore  comes from the original plant or organism to become a new life  form.
Tweet. Key Difference: Bacteria are single celled and prokaryotic organisms. They replicate in an asexual manner. They can be harmful as well as beneficial; it depends upon the type of Bacteria. On the other hand, viruses are non living pathogens and are acellular. Viruses also need host cells to reproduce. Most of the Viruses do not serve any ...ostly are harmful. Many fungi are beneficial. Antibiotics. Kill bacteria. Cannot kill viruses. Do not effect. Diseases Caused. Cholera, tuberculosis, lyme disease, pertussus, salmonella, staph infections, strep throat, leprosy, tetanus, diptheria, E.coli, flesh eating (necrotizing fascitis) rickets, etc.