Endocrine system is involved in this
<span>Euglena is eukaryotic, because they have organelles and a nucleus. </span>
#1 the relationship between universes and galaxies is that galaxies are made up of universe. and the relationship between stars and solar systems is every solar system contains at least one star.
#2. galaxies form after several planets form rather close to each other.
#3. the last one I don't know
What is barbules and pinnae?
