Hydrophytes is the answer to your question
Your brain stem would be your answer
I think the answer would be A because the fish does look like a plant
Atoms, molecules, cell membranes, then cell (in order from smallest to biggest).
The two substances are rock (molten and solid) and metal (solid + liquid).
Layers of the earth from the outside in:
1. crust. hard rock/dirt/ground. Shell
2. mantle. melted rock and stuff. Egg white
3. core. Outer core - liquid. Inner core- solid. Nickle and iron. Yolk
