Which of following element is essential for animals but not in plants?

مندرجہ ذیل میں سے کون سا عنصر جانوروں کے لیے ضروری ہے لیکن پودوں میں نہیں؟

Potassium

Phosphorus

Calcium

Iodine

None

Iodine and sodium are essential for animals and are not required by most of the plants however, iodine is found in certain marine algae.