Answer:
two German scientists
Theodor Schwann
Matthias Jakob Schleiden
Explanation:
They both co-founded the cell theory.
Schleiden defined the cell as the basic unit of plant structure. Years later Schwann defined it as the basic unit of animal structure.
Answer:
surface exposed by a retreating glacier - A)
Answer:
An organ that helps with digestion but is not part of the digestive tract. The accessory digestive organs are the tongue, salivary glands, pancreas, liver, and gallbladder.
