Epidermis (botany)

High school (ages 12+)
History & Culture

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/epidermis-botany

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 cellular composition?Typically a single layer of parenchyma cells, often transparent
2. What is the key structures?Contains stomata for gas exchange and trichomes for defense or other functions
3. What is the epidermis of a plant?The epidermis is the outermost layer of cells that acts like a protective skin for the plant.
4. Why do plants have stomata on their epidermis?Stomata are tiny pores that let the plant take in carbon dioxide for photosynthesis and release oxygen, while also controlling water loss.

Parenchyma Cells: Versatile plant cells involved in photosynthesis, storage, and secretion.
Abscisic Acid (ABA): A plant hormone that plays a key role in responses to stress, including stomatal closure.
Hydrophobic Barrier: A surface that repels water, preventing it from passing through.