Answer:
E. are a dormant form of a bacterium AND are formed by members of medically relevant groups of bacteria.
Explanation:
Endospore is a structure formed by some bacteria when exposed to unfavorable conditions like lack of nutrition. It is a dormant non reproductive structure. When the bacteria is exposed to favorable condition, it regains its natural vegetative state. Endospores contain a large amount of dipicolinic acid which helps in the bacteria's dormancy.
Endospores are medically important because they are resistant to all the methods of destroying bacteria like UV radiation, desiccation, disinfectants and freezing. Two endospore forming genus, Bacillus and Clostridium are reason for many diseases. <em> Bacillus anthracis </em>causes anthrax which is very fatal to humans. <em>Clostridium botulimum</em> causes botulism and <em>Clostridium tetani </em>causes tetanus.
These 2 creatures are quite different. One of the differences is that filter feeders filter the water for food particles, while the fluid feeders feed on liquid like blood.
Answer: B. Smoking not only produces negative effects on human health but also on the environment.
Answer:
Renal autoregulation.
Explanation:
Kidneys are the important organ that are involved in the process of excretion, maintains the body pH and regulates the level of salt in the body.
Renal autoregulation may be defined as ability of the kidney to maintain the constant glomerular filtration rate withou change in the blood pressure. No nervous or hormones are involved the renal autoregulation.
Thus, the answer is renal auto regulation.
