Establish the sequence of complication of the organization of animals in the process of the historical development

univerkov | December 7, 2020 | education

Establish the sequence of complication of the organization of animals in the process of the historical development of the organic world on Earth. Write down the corresponding sequence of numbers in your answer. 1) isolation of the brain 2) formation of the internal skeleton 3) the appearance of warm-bloodedness 4) the appearance of two layers of body cells 5) the development of the intestine with the oral and anal openings

4) the appearance of two layers of body cells
5) development of the intestines with mouth and anus
2) the formation of the internal skeleton
1) isolation of the brain
3) the appearance of warm-bloodedness

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.