Itis the basic structural unit of life.

It is made up of structurally similar cells that work together to perform a common function.

It is a group of tissues that are similar in structure that work together to perform a common task.

It is a group of organs that work together to perform specific physiological process

It refers to any living things or any form of life. It can be unicellular(single-celled organism) such as bacteria and amoebae, or multicellular (many celled-organism) like plants and animals that comprise of organs and organ systems.

It refers to a group of organisms that are related or of the same species, found in a specific area at a given time.

It consists of all the different population of species that interact with each other within a certain area.

It is made up of all the living communities that interact with all the non-living, physical components of the environment.

The biosphere comprises all of the ecosystems on earth surface that are added together where life exists and the abiotic environments that they reside in.