LIFE SCIENCE

Detailed explanation-1: -Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Unicellular organisms include bacteria, protists, and yeast.

Detailed explanation-2: -Living organisms which are made up of only a single cell are called unicellular organisms. Unicellular organisms are often observed under a microscope. They are too small to be seen with the naked eye. Eg., Amoeba, Chlamydomonas, bacteria etc.

Detailed explanation-3: -Euglena is a unicellular organism. It is made up of a single cell that is capable of performing all the life processes required by it to survive.

Detailed explanation-4: -Examples of unicellular organisms are bacteria, archaea, unicellular fungi, and unicellular protists. Even though unicellular organisms are not seen by the naked eye, they have an indispensable role in the environment, industry, and medicine.

Detailed explanation-5: -Escherichia coli. Diatoms. Protozoa. Protista. Streptococcus. Pneumococci. Dinoflagellates.