Common signs of multicellular organisms.

1 – cells, tissues, organs, organ system, organism
2 – ray symmetry or bilateral symmetry
3 – can be divided into two-layer or three-layer



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.