Live crown

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/live-crown

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?Not applicable to a general tree part
2. What is the related concepts?Forestry, Arboriculture, Plant Physiology, Ecosystem Services, Competition Theory
3. Why is the live crown important for a tree’s health?Because it captures sunlight and helps the tree make food, the live crown keeps the tree growing and strong. A healthy crown also protects the tree from disease and pests.
4. How do scientists measure the live crown?They use something called the Live Crown Ratio, which is the part of the tree’s height that is covered by green leaves. A ratio above 0.5 means the tree is usually healthy.

Live Crown: The functional portion of a tree comprising all branches bearing living, photosynthetically active leaves.
Photosynthesis: The biochemical process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
Live Crown Ratio (LCR): A quantitative measure representing the proportion of a tree's total height that is covered by its live crown, used for health assessment.