Answer:
single-cell creatures that scientists believe were instrumental in the development of evolution
small sea crustaceans from the order of macroplankton of about 20-200 millimeters that are visible with the naked eye
How much time do you have, this may take at least 30 minutes?
Answer:
The center and most sensitive part of the object or organism
Explanation:
Since everything is made of atoms there has to be something to keep all of them together that's where the nucleus comes in it's the one atom that differs from the other even though there are many different atoms the nucleus is special in that it's made up of neutrons and protons and maybe some electrons.