Answer:
You either are referring to the fish Chordate, or the animal classification. In the case of the classification it is literally any animal that has developed any sort of dorsal fin, for example some snakes can fall under this classification.
A, but may not be correct
Answer:
When plant cells are surrounded with salt water, the water inside the plant moves from where there is more water (less salt) through the cell wall and membrane to the outside where there is less water (more salt).
Explanation:
