Lamprey

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/lamprey

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?Petromyzontidae
2. What is the habitat?Temperate marine, estuarine, and freshwater environments across the globe, excluding polar regions
3. What does a lamprey's mouth look like and how does it use it?Lampreys have a big, funnel‑shaped mouth with many sharp teeth. They use it to suck onto other fish and pull off their blood and skin.
4. Are lampreys the same as other fish?No, lampreys have no jaws, no fins, and no scales. Their skeleton is made of cartilage, which is a very old trait.

Agnatha: A superclass of primitive jawless fish, including lampreys and hagfish, representing an early stage of vertebrate evolution.
Metamorphosis: A biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure.
Anadromous: A species of fish that migrates from the ocean into freshwater rivers to spawn.