Diploblastic and triploblastic embryos.
During embryogenesis, diploblasts develop two embryonic germ layers: an ectoderm and an endoderm or mesendoderm. Triploblasts develop a third layer—the mesoderm—which arises from mesendoderm and resides between the endoderm and ectoderm.
<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em>
Answer:
1.
Explanation:
Atomic mass is protons+neutrons. Atomic number is just protons.
Leaves, stem, and roots
