EVERYDAY SCIENCE

Detailed explanation-1: -The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.

Detailed explanation-2: -The body has levels of organization that build on each other. Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.

Detailed explanation-3: -After tissues, organs are the next level of organization of the human body. An organ is a structure that consists of two or more types of tissues that work together to do the same job.

Detailed explanation-4: -The organ level of organization is when two or more tissues work together for a specific function.

Detailed explanation-5: -The biological levels of organization in a complex, multicellular organism, from the smallest unit to the largest unit, are cells → tissues → organs → organ systems → organism.