Question

Organisms in this domain can be unicellular or multicellular. Organisms in this domain are unicellular and are often found in extreme environments. Organisms in this domain have cells that contain a nucleus.

Answer 1

Answer: Organism in this domain can be defined as living things that has an organized structure, and responds to stimuli, and has ability to reproduce, grow, and maintain a state of equilibrium. Organisms are of two types which are unicellular and multi cellular organisms.

Explanation: unicellular organisms are organisms that are made up of only one cell which carries out all the functions needed by the oragnism. Multicellular organisms are organisms that are made up of more than one cell. These organisms uses many different cells to function.

Unicellular organisms are often found in extreme environments such as hot springs, polar ice and frozen tundra.

Unicellular organisms have cell that contain a nucleus.

Answer 2

Answer:

1. Eukaryote 2. Archaea 3. Eukaryote

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