Question

*What represents the ear in amphibians?* 1️⃣ Operculum 2️⃣ Tympanum 3️⃣ Proboscis 4️⃣ Malpighian tubules​

Answer 1

Answer:

malphigphian tubules represent ear in amphibians.

Answer 2

Answer:

elow are types of cells present in some animals. Which of the following cells can differentiate to perform different functions?

(a) Choanocytes

(b) Interstitial cells

(c) Gastrodermal cells

(d) Nematocytes

Soln.(b) : Interstitial cells are reserve cells and are called totipotent cells, which can

differentiate into any type of cells. Nemato- cvtes are stinging cells used for offence and defence. Gastrodermal cells line the gastrodermis and intracellular digestion takes place inside these cells. All these cells are found in cnidarians. Choanocytes or collar cells are found in sponges; they are specialised flagellated cells that line spongocoel and canals.