The circulatory system circulates blood around the body. The blood passes through the lungs, where it loses carbon dioxide and gains oxygen. All cells need oxygen to function and carbon dioxide is a form of waste produced in the cells. The digestive system breaks down food and absorbs.
Answer:
failure of a pair of homologous chromosomes to separate in meiosis I, failure of sister chromatids to separate during meiosis II, and failure of sister chromatids to separate during mitosis. Nondisjunction results in daughter cells with abnormal chromosome numbers (aneuploidy).
Explanation:
Answer:
A
Explanation:
are attracted to other types of particles.
Carbon is the essential atom of “hydrocarbons” from which all organic molecules required for life are formed.
It is formed because of chemical reactions between sunlight and oxygen molecules. More ozone is produced near the equator because the temperature is warmer and the chemical reaction rate goes up.
