Which of the following is NOT a common feature of animals? a. tissues c. cell walls b. mobility d. heterotrophy

Explanation:

But, as the animals contain animal cells, so they don't have cell walls. This is because only plant cells contain cell walls as they are dead cells, so for protection against temperature, humidity etc, plant cells have cell walls.

Animal cells don't have cell wall. Therefore, option C is correct.

hello there the answer is d