Bacteria

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/bacteria

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 first life forms?Appeared on Earth over 3.5 billion years ago
2. What is the cellular structure?Prokaryotic, lacking a nucleus
3. How do bacteria help the Earth?Bacteria break down dead matter, releasing nutrients like carbon, nitrogen, and phosphorus back into the environment. They also turn nitrogen from the air into a form that plants can use, helping crops grow.
4. Where do bacteria live?Bacteria can live in almost every place on Earth, from hot vents deep in the ocean to cold glaciers, and even inside our bodies.

Prokaryote: A single-celled organism lacking a membrane-bound nucleus and other organelles.
Nutrient Cycling: The movement and exchange of organic and inorganic matter back into the production of living matter.
Dysbiosis: An imbalance in the microbial community, often associated with disease.
Virulence Factors: Molecules produced by pathogens that contribute to their ability to cause disease.