Describe and interpret relationships between structure and function at various levels of biological organization (i.E. Organelles, cells, tissues, organs, organ systems, and multicellular organisms.) BIO.A.1.2.2

Answer and Explanation:

Organelles:  Small and specialized structures located in the interior of each cell. These structures interact with each other and perform different roles related to cellular activity. To name a few we can mention the nucleus which carries the genetic information, chloroplasts, mitochondria, endoplasmatic reticulum, Golgi complex, others.  All of them have different functions that are necessary for proper cellular development. Cell: Molecules and organelles get grouped in alive cellular units that have auto replication capabilities. The cell is the smallest structural unit capable of functioning by itself. A cell is capable of communicating with other cells, their membranes delimitate them and protect them, constituting a selectively permeable barrier, receives signals from the exterior, and responds in different ways to the different signals. There are different cells with different sizes, shapes, and forms. Tissue: A tissue is the organization and association of the same type of cells. Each tissue performs different functions. These tissues can be epithelial, adipose, nervous, muscular, and etcetera.  Organ: An organ is composed of different tissues that work together in a more complex function. Tissues form structures such as the heart, lung, kidney, brain, and etcetera. Each organ has its function.  Organ systems: When different organs get associated and work together, they become a system. Working together in a stable way organs maintain homeostasis.     Multicellular organisms: These are living forms composed of many different cells. These cells have organelles that make cellular activities possible. These cells also aggregate to form tissues, which also compose different organs. These organs perform different activities according to their role in the organism, and they interact with each other. Each organ depends on other organs, they are not auto sufficient. In this way, if all the cells, tissues, and organs perform correctly, they guarantee stability to the multicellular organism.

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