Understanding Trees and Plant Evolution

What is a key characteristic of true trees?

• They have multiple trunks.

• They grow from herbaceous stems.

• They are always evergreen.

• They undergo secondary growth.

Which group of plants includes all woody plants?

• Angiosperms

• Herbs

• Gymnosperms

• Monocots

Which of the following is NOT a form that plants can take?

• Tree

• Shrub

• Insect

• Herb

Which plants are more closely related to apple trees?

• Avocado trees

• Rose shrubs

• Guava trees

• Palm trees

What is a characteristic of monocots?

• They sprout two seed leaves.

• They are all trees.

• They undergo secondary growth.

• They do not become woody.

Why can some dicots become trees?

• They have lost the ability to grow wood.

• They have retained the genetic propensity for woodiness.

• They are closely related to monocots.

• They do not undergo primary growth.

Which plant is identified as a true tree due to its cauliflory trait?

• Joshua tree

• Banana

• Palm

• Brazilian grape tree

What is a unique feature of giant baobabs?

• They have pseudostems.

• They are related to grasses.

• They grow in clusters.

• They store water in their bulbous trunks.

Which plant is a succulent and not a true tree?

• Bristlecone pine

• Palm

• Brazilian grape tree

• Joshua tree

What can cause a plant like juniper to switch from shrub to tree?

• Change in leaf color

• Increase in height and trunk diameter

• Loss of secondary growth

• Becoming a monocot