Remontancy

High school (ages 12+)
Animals & Nature

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/remontancy

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 remontancy?Remontancy, also called regeneration, is when animals can grow back lost body parts like skin, limbs, or even parts of their brain.
2. Which animals can regrow their whole bodies from tiny pieces?The tiny freshwater polyp Hydra can regrow its entire body from a fragment as small as 1/200th of its mass, and planarian flatworms can also regrow from small pieces.

Totipotent Stem Cells: Cells capable of differentiating into all possible cell types, including extraembryonic tissues.
Blastema: A mass of undifferentiated cells that forms at the site of injury and is crucial for regeneration in amphibians.
Autotomy: The act of shedding a body part, such as a tail, as a defense mechanism against predators.