Answer:
Explanation:
What a Stem Cells?
Stem cells are the body's raw materials- cells from which all other cells with specialized functions are generated.
What are specialized cells?
Specialized cells perform specialized functions in multicellular organisms. Groups of specialized cells cooperate to form a tissue, such as a muscle.
What are unspecialized cells?
An unspecialized cell that can give rise to one or more different types of specialized cells, such as blood cells and nerve cells.
Do you think stem cell research should be allowed?
By watching stem cells mature into cells in bones, heart muscle, nerves, and other organs and tissue, researchers and doctors may better understand how diseases and conditions develop.
Answer:
A
Explanation:
Earth's orbit is not constant because it does not travel in a circle but more of an ellipses.
Hydrolysis is the answer good luck
Answer:
Natural selection, the keystone of evolution, can switch direction in a matter of months, a novel experiment on lizards reveals.