Question

a scientist is studying an organism and has classified it as an animal. which statement must be true about the organism? it is multicellular. it displays radial symmetry. it has a backbone. it contains cells without nuclei.

Explanation:

Los animales son organismos eucariotas multicelulares. No todos los animales tienen simetría radial (por ejemplo, los artrópodos), no todos tienen columna vertebral (los invertebrados no la tienen) y los animales son eucariotas, por lo que sus células tienen núcleo.

Answer:

It is multicellular.