Oak Trees: Facts and Importance

The video explores the diverse species of oak trees in California, focusing on their ecological significance and cultural importance. It highlights the genus Quercus, explaining the difference between live and deciduous oaks, and describes various species like the Coast live oak and the black oak. The video also discusses the role of acorns in oak tree identification and the importance of oak trees to Native American diets and local ecosystems.

What is the origin of the word 'Quercus'?

• Roman

• Latin

• Celtic

• Greek

How many species of oak trees are found in California?

• 15

• 22

• 30

• 18

Which oak tree is known for having a tiny spine or bristle at the end of each lobe?

• Interior live oak

• Coast live oak

• Canyon live oak

• Quercus kelloggii

What does the term 'deciduous' mean in relation to oak trees?

• They grow in coastal areas

• They have spiny leaves

• They lose their leaves in winter

• They keep their leaves year-round

What is a common feature that all oak trees share?

• Spiny leaves

• Acorns

• Evergreen foliage

• Deciduous nature

Why were oak trees important to Native Americans?

• As a source of plant protein

• For spiritual rituals

• For medicinal purposes

• For building materials

What type of ecosystem do oak trees in California support?

• Desert

• Wetland

• Savanna

• Tundra

Which bird is mentioned as being associated with oak trees?

• Sparrow

• Acorn woodpecker

• Blue jay

• Hawk

What benefits do oak trees provide besides food and shelter?

• Aesthetic pleasure and spiritual sustenance

• Medicinal herbs

• Building materials

• Water conservation

How are oak trees described in the botanical world?

• Exotic plants

• Ordinary trees

• Magnificent specimens

• Rare species