Trees of Life: The Importance of Native Oaks

What is one of the most important benefits of native oak trees according to Doug Tallamy?

• They provide shade

• They are host plants for over 1,000 kinds of moth and butterfly caterpillars

• They grow quickly

• They produce colorful flowers.

Native oak trees are considered keystone plants because they ______.

• grow in all climates

• support the life cycles of many wildlife species

• are easy to plant

• have beautiful leaves.

According to the article, what percentage of U.S. counties have native oaks as the most valuable tree for wildlife?

• 50%

• 84%

• 100%

• 25%

The National Wildlife Federation's Garden for Wildlife program features oaks as keystone plants for how many North American ecoregions?

• 5

• 10

• 15

• 20

What is the best time to plant an oak tree?

• Spring

• Summer

• Autumn

• Winter

What is a potential threat to oak trees along the Pacific Coast?

• Oak wilt

• Sudden oak death syndrome

• Root rot

• Leaf blight

Which oak species is more susceptible to disease according to the text?

• Red oak

• White oak

• Scarlet oak

• Black oak

What is the recommended action to prevent oak wilt according to Herring?

• Prune in late winter

• Use fungicide

• Water frequently

• Fertilize regularly

Fill in the blank: Some gardeners have space for a large tree, such as southern live oak or shingle oak, which can reach ____ feet or taller.

• 50

• 75

• 100

• 125

What is the purpose of using a screen over the seedling according to the text?

• To protect from wind

• To keep animals from eating it

• To provide shade

• To retain moisture