Explain how stem cells grow in a laboratory culture.1. embryonic--2. adult--

1.Embryonic stem cells can grow into any type of cells. When cultured they grow in the Petri dish into a layer of embryonic cells. The embryonic cells are not determined.

2.Induced adult stem cells are determined and when cultured, grow in the Petri dish as the cells of the organ from which they were derived. That is, if the cells were derived from the liver, they grow into liver cells.

haploid cells;

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.