Fitness

High school (ages 12+)
Human Body

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/fitness

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 biological fitness?An individual's ability to propagate its genes within an environment
2. What is the historical context?Evolved from survival necessity to organized athletics and modern wellness pursuits
3. What does "fitness" mean in biology?In biology, fitness means how well an organism can survive and have babies that grow up. It helps the best traits stay in the family.
4. Why do people exercise for their heart and brain?Exercise makes the heart stronger and helps blood flow better. It also releases feel‑good chemicals that lift mood and help thinking.

Evolutionary Fitness: The relative success of an organism in passing its genes to the next generation.
Fitness Function: An objective function used in evolutionary computation to evaluate the quality of a solution.