1. <span>composed of cells with cell walls
2. </span><span>Vertebrates contain a backbone, while invertebrates do not.</span>
( Least specific ) kingdom, phylum, classification, order, family, genus, species (most specific)
(it goes from broad to most specific)
Cations are positive so they have less electrons than protons, while anions are negative so they have more electrons.
Answer:
Carbon, Hydrogen, Oxygen, Nitrogen
Explanation:
