A dichotomous key is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Dichotomous keys always give two choices in each step.
Meiosis<span> makes the cells needed for sexual </span>reproduction<span> to </span><span>occur.
I hope this helps. Good luck :)</span>
The controversy mostly originates from that fact that the studied embryonic stem cells come from human embryos, which raises a lot of ethical questions among people.
The scientific name is Tyto alba