I have learned that living things are organized from simplest to most complex(1.)___.The first level is(2.)___that consists of two or more atoms, bonded together. 3.)___is considered as the fundamental unit of life. In this level, a combination of cells which work together to perform a 4.)___set offunctions is called 5.)___.
Different kinds of tissue
form an 6.)___organ doing the same function forms 7.)____8.)___is an individual belonging to a particular species that has its own distinct existence and an example of this is 9.)___.
Population is composed of individuals of the same 10.)___living in the same area while 11.)___consists of all the population of different species of an organism. An example of this is 12.)___. 13.)____,air and water are part of an 14.)___which living and non-living things interact with each other. The last level is 15.)___,the portion of the earth that contains all living organisms.

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