The Importance of Trees (pretest)

Mammals use trees for both food and shelter.

Trees are important in maintaining air quality, because they act like a filter, drawing particles from the air.

Mycorrhizal fungi are _______. a. mutualistic root-dwelling fungi that help plants obtain more water and nutrients. b. mutualistic leaf-dwelling fungi that obtain sugar from plant leaves c. parasitic leaf-dwelling fungi that strangle plants d. epiphytic plants living on plant stems and leaves

Which of the following is a way that trees have been negatively impacted by human use? a. deforestation b. pollution c. reduction d. all of the above

The most common fiber used to make paper is _______. a. cloth b. wood c. hemp d. flax

Which of the following is a way humans use trees? a. paper b. food c. wood d. all of the above

Which of the following is not released by trees into the atmosphere? a. oxygen b. water vapor c. ozone d. none of the above

In creating products from trees, only half of the tree can be used.

Which of the following organisms is the most harmful to the tree it grows on? a. strangler fig b. orchid c. Spanish moss d. none of the above

The fruit of trees is the only part that is used by humans for food.