Chromalveolata

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/chromalveolata

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?Chromalveolata. A major eukaryotic supergroup comprising diverse lineages
2. What is the related topics?Includes major groups such as diatoms, dinoflagellates, brown algae, oomycetes, and apicomplexans
3. What are Chromalveolata and why are they important in water?Chromalveolata are a big group of tiny living things, some that make food from light and others that eat. They help make oxygen and food for many animals in water.
4. How did Chromalveolata get their ability to use sunlight?They got it by eating a red alga long ago, which gave them special parts called plastids that can turn sunlight into food.

Eukaryotic Supergroup: A large classification of organisms whose cells contain a nucleus and other complex structures.
Secondary Endosymbiosis: The process where a eukaryotic cell engulfs another eukaryotic cell, leading to new organelles.
Phytoplankton: Microscopic, photosynthetic organisms that drift in bodies of water, forming the base of aquatic food chains.
Biogeochemical Cycles: The pathways by which chemical elements and compounds move through the Earth's living and non-living components.