Non-cellular life

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/non-cellular-life

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific classification?Acellular life
2. What is the replication mechanism?Replication occurs through hijacking host cellular machinery, not independent metabolic processes
3. What are non-cellular life forms?They are tiny things like viruses, viroids, and prions that don't have cells but can copy themselves and evolve.
4. Why do scientists think viruses might have helped life start?Some scientists think early life might have started with simple RNA or protein molecules that later became cells, and studying viruses helps us learn about those early steps.

Cytocentric: An approach or view that centers on the cell as the fundamental unit of life.
Acellular agents: Biological entities that do not possess a cellular structure, such as viruses and prions.
Obligate intracellular parasite: An organism that can only replicate inside the living cells of another organism.