The first, second, and fourth statements are correct.
The answer is Paramecium.
The paramecium is a unicellular ciliated protozoan. They are
often found in fresh water and brackish water areas. They have the elongated
shaped that looks like a rod and has the color violet under the stain because it signifies that it is positive.
The fact that gravity exists as it can be repeatedly tested and verified
The kidneys remove dissolved waste in the blood
Hope this helps!
