Answer:
A maybe B but pretty sure its A
Explanation:
sorry if i'm wrong.
Answer:
Lobe-finned fish are thought to be the close relatives to tetrapods because of the fact that the fins are very flexible and potentially useful for supporting the body on land, as in lungfish and tetrapods.
Explanation:
The rough endoplasmic reticulum. The rough ER is responsible for protein synthesis, so they should be abundant in cells that secrete a lot of digestive proteins.