Answer:
prokaryote- a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. Prokaryotes include the bacteria and cyanobacteria.
eukaryote- an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria.
Explanation:
Answer: b
Explanation:
An open system is when nutrients and waste are moved through the body freely through the body cavity, rather than being enclosed in veins.
<span>That would be "Chorionic Villus Sampling"</span>
Those would be oceans and lakes. Hope this helps and have a nice day!