- Life Sciences
small fluid-filled sacs that store, transport, or digest cellular products and waste.
an infection of the skin, caused by a parasitic fungus. It causes cracked, inflamed and itchy...
a disease caused when the body's immune system destroys other body cells.
a diploid reproductive stage in the life cycle of many fungi and protists.
a very long time span in the Earth's history, covering tens or hundreds of millions of years....