Black walnut

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/black-walnut

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?Juglans nigra
2. What is the conservation status?Least Concern (globally), though specific populations face threats from disease and overharvesting
3. What is a black walnut tree?It is a big tree that grows in eastern and central North America, giving us tasty nuts and strong, beautiful wood.
4. How tall can black walnut trees grow?They usually reach 50 to 75 feet tall, but some can grow over 100 feet.

Allelopathy: The chemical inhibition of one plant by another, often through root exudates or decomposition products.
Keystone Species: A species on which other species in an ecosystem largely depend, such that if it were removed, the ecosystem would change drastically.
Thousand Cankers Disease: A disease affecting black walnut trees, caused by a fungus and transmitted by a beetle, leading to tree death.