Question

4 points
2) Organisms that are made up of just one cell are called single-celled or
Unicellular organisms. E.g. Amoeba Organisms with more than one cell in
their body are called multicellular organisms. All human beings, plants and
animals are multicellular organisms. Unicellular organisms can carry out
digestion but not excretion. Amoeba is not capable of capable of
collecting its own food. Food just comes to it. Therefore, amoeba should
not be called a living organism. Identify the correct sentence from below.
Amoeba is an unicellular living organism. But, it cannot carry out ingestion, digestion
and excretion properly
Amoeba is a living organism which is capable of carrying out ingestion, digestion,
absorption, assimilation and egestion
Amoeba can survive even without egestion.
An unicellular organism does not carry out all the life processes.​

Answer 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.