The corect answer is: B. Intercalated disks.
I hope that helped! :)
Answer:
None of these options is correct.
Explanation:
As in first option animal show herbivorous behaviour by eatin plant as well as in second option plant is toxic for animal .
while symbiosis is a process in which two animals stay together to harm each other or to help each other or for some other conditions but in these options there is no such situation here.
Explanation:
plants grow on the outskirt and gradually move toward the center the fish use the water and so if there are no fish the water rises since nothing is using it