Tree Structure and Leaf Types

This video tutorial guides beginners in identifying trees by categorizing them into four main categories: softwood vs hardwood, tree arrangement, leaf composition, and evergreen vs deciduous. It starts with defining a tree according to the US Forest Service and explains each category with examples, helping viewers distinguish between different types of trees and their characteristics.

What is the minimum height a plant must reach to be classified as a tree by the US Forest Service?

• 20 feet

• 15 feet

• 13 feet

• 10 feet

Which type of tree is characterized by needlelike or scale-like leaves?

• Broadleaf

• Hardwood

• Deciduous

• Softwood

Which of the following is an example of a hardwood tree?

• Spruce

• Pine

• Maple

• Cedar

What is the term for leaves and branches that are directly opposite each other on a tree?

• Random

• Opposite

• Alternate

• Whorled

In which arrangement do leaves alternate from one side to the other?

• Clustered

• Alternate

• Whorled

• Opposite

What is the term for a leaf structure that consists of multiple leaflets?

• Compound

• Simple

• Complex

• Single

Which tree has a compound leaf structure with five leaflets?

• Pine

• Cedar

• Maple

• Hickory

What is the defining feature of a simple leaf?

• Clustered leaves

• Complex structure

• Single leaf

• Multiple leaflets

How can you tell if a tree is deciduous?

• It has a fleshy seed

• It has needlelike leaves

• It sheds leaves annually

• It retains leaves year-round

Which type of tree retains its leaves throughout the year?

• Evergreen

• Softwood

• Deciduous

• Broadleaf