What organisms have stem cells?

The disturbance of a supersaturated solution will cause? How can you connect a 230V 27A single phase European appliance whose cable contains brown blue and yellow-green wires to a 30A 220V breaker in the US? What are holocentric chromosomes? Can wild fires happen any were? Which part of an insect contains the body system? How do images of copper illustrate this? What is the property called that separates styrofoam balls? Paramecium feed on organic matter in a pond How does it capture food? What continent has no arable land? Is your membership still active? What does one determine a percent composition from an empirical formula? Do penguins have a salt gland or a sweat gland? How can the greenhouse effect lead to a rise in sea level? How many unpaired electrons are in a Co2 plus ion? What are the problems encountered while performing laboratory experiments? Why is there two different iridium? What cannot be rolled into wires or pounded into sheets? Does ZnS sublime? Are people living at the equator constantly accelerating? What city is located at 78W longitude and 0 latitude?