Answer:
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor.
Explanation:
Explanation:
A student of ecology researched about the low growth of algae in the Big Moose lake as compared to the Brant lake, though Big Moose lake has higher level of nitrogen and nutrients in it.
Nitrogen and phosphorous are an important element for the growth of algae in water bodies but in presence of pollutants in the water bodies and low oxygen content, the algae grows in slower rate. Besides, slower growth of algae may also affected by the acid rain that happens near Moose lake, which is harmful for algae growth due ti the presence of sulphur.
Weeks 3-4: three layers form: the
ectoderm, the mesoderm, and the endoderm. Neural tube develops and produces
neurons. Heart begins beating. Ribs, muscles, and digestive tract form. weeks
5-8: arms and legs develop, then fingers and toes; placenta and umbilical cord
function; digestive system develops; liver produces blood cells.
Answer:
Heart disease and bulimia, and anorexia
Explanation:
Examine how poor fitness, stress levels and diet can affect the human circulatory and digestive systems; e.g., by causing: ulcers and acid reflex disease. eating disorders; e.g., anorexia, bulimia, high blood pressure and heart disease.