Bladderwrack

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/bladderwrack

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 name?Fucus vesiculosus
2. What is the habitat?Eulittoral zone of rocky coastlines in the North Atlantic Ocean
3. What is bladderwrack and why does it have bladders?Bladderwrack is a seaweed that has gas‑filled bladders on its surface. These bladders help it float and stay upright so it can get enough light to grow.
4. Where can you find bladderwrack?It grows on rocks in the intertidal zone along many North Atlantic coasts, from Norway and Iceland all the way to the United States.

Macroalga: Large, multicellular algae that are visible to the naked eye, commonly known as seaweed.
Eulittoral Zone: The upper part of the intertidal zone, characterized by regular exposure to air and submersion by seawater.
Thallus: The vegetative body of an alga, lacking true roots, stems, and leaves.
Primary Producer: An organism that produces its own food, usually through photosynthesis, forming the base of food webs.