The three domains of life are

Question

BlackTom AI · Accepted Answer

To begin, restating the question and options helps frame the task: The three domains of life are

Option 1: Multi-cellular, Single-cellular, Viruses
This is not aligned with the current biological taxonomy. Viruses are not considered living organisms and thus not classified as a domain; the categories here mix organismal organization (cellularity) with a non-living entity (viruses), which makes this option incorrect.

Option 2: Plants, animals, bacteria
While plants and animals are major groups, this breakdown does not reflect the fundamental domain-based classification. Bacteria is listed, but plants and animals are eukaryotic lineages within the domain Eukarya, so this option confuses taxonomic ranks and domains, rendering it inaccurate.

Option 3: Eukaryote, Prokaryote, Viruses
This choice uses broad terms rather than the established domain names. Eukaryote and Prokaryote are organizational categories, not the official domain labels, and viruses are not classified within the three-domain system at all. The framing here misleads by mixing cellular Organization with domain concepts.

Option 4: Eukarya, Archaea, Bacteria
This option correctly lists the three domains of life as recognized by modern biology. Eukarya encompasses organisms with complex cells and organelles (including plants, animals, fungi, and protists); Archaea represents a group of single-celled organisms distinct from bacteria, often thriving in extreme environments; Bacteria covers a broad group of single-celled prokaryotes. The trio captures the current consensus on the highest-level classification of life.

In summary, each of the first three options contains fundamental misunderstandings: either misclassifying viruses, confusing ranks with domains, or using non-standard terminology. The fourth option aligns with the accepted three-domain model and correctly differentiates among Eukarya, Archaea, and Bacteria.

AGRI10050_2025_SM1 W3 Progress quiz - Cells and division of labour

The three domains of life are

View Explanation

Log in for full answers

Similar Questions

Other than eukaryotes, name one main / primary evolutionary branch (domain) of life.

In the current classification system, the two domains of prokaryotic organisms are and .

(Select all correct answers) The domains of life are:

Which of the following is a correct grouping of living organisms according to the three domain system?

Which of the following is a domain of life?

All life forms are classified into three big super-kingdoms (or domains). How many of these consist of single celled, bacteria-like organisms?

Biologists currently divide all organisms into three groups called domains. Which of the following is not one of the three domains?

Question at position 1 Select all of the domains of life.EukaryaBacteriaProtistsArchaea

More Practical Tools for Students Powered by AI Study Helper

Homework AI Solver

Stylized AI Paper Writer

Plagiarism Checker Assistant

Citation AI Academic Writing Tool

In-Class Translation Assistant

AI Note Generator

AI Quiz Answers

Past Exam Questions from University Test Bank

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler