Vacuole. Amoeba is a unicellular organism formerly grouped under Kingdom Protista. Amoeba in freshwater need contractile vacuole to control input and output of water. (osmosis). Without this structure, ameboid cells will be filled with water and eventually burst.
Type of chocolate bar, size of it, surface it is placed on, etc
Controlled variables are anything that stay the same for both trials
A- Flatworms are unsegmented and only have one mouth/anus opening. And they are obviously flat
Answer:
Ethical concerns about the development and use of biotechnology include all of the following except <em><u>concern about the development of new weapons.</u></em>
