Most plants fall into the category of the broad-leafed _______, but many of out most important food crops are narrow-leafed _______.

Dermal tissue is tissue located at the _______ of a plant, while vascular tissue forms a plant’s _______ system.

Xylem is the tissue through which _____ and _______ flow, while phloem is the tissue that conducts the _______.

The primary function of roots is to absorb _____ and __________.

The primary function of leaves is to serve as sites of _______.

Flowers are the _______ structures of plants.

The “race for sunlight” in plants led to the evolution of the tallest living things in existence, trees. But sunlight is not the only thing that stands to make a tree successful or not in reproducing. Think about how plants function and then answer this question: What are the costs of being taller, as opposed to shorter?

Plants take in _____ and _____ through their roots, but take in ____ primarily through tiny pores on their leaves.

a. minerals; carbon dioxide; water

b. oxygen; carbon dioxide; water

c. water; carbon dioxide; minerals

d. oxygen; minerals; carbon dioxide

e. minerals; water; carbon dioxide

It’s sometimes said that plants are much more efficient organisms than animals, in that they consume fewer resources and produce fewer waste products. Evaluate this statement in light of what you have learned about the functioning of angiosperms.

Which of the following are not functions of roots? (Select all that apply.)

a. nutrient storage

b. loss of water through transpiration

c. loss of oxygen in photosynthesis

d. grow to water supplies

e. absorption of water

Gardeners often speak of outdoor plants having become “established,” meaning the plants have reached a point at which they need less human care. What threshold does a plant have to cross to become established?