Which physical characteristic do scientist use to classify organisms into the domain eukarya

The correct answer is-

The organism's cells contain a nucleus.

Eukarya domain possesses organisms that have a membrane bound true nucleus ( containing the genetic material of life forms that is DNA) and subcellular compartments ( also called cell organelles such as mitochondria, golgi body, endoplasmic reticulum).

Example- Plants and animals.

Thus, the physical characteristic that scientist use to classify organisms into the domain eukarya is 'nucleus'.

answer; i believe that the correct answer is (b) melosis; plz check first.good luck

the answer for this question would be d. glaciers