Exam 27: Plant Form and Function

What tissues make up most of the soft internal parts of a plant?

The first structure to emerge from a seed is a ____.

What is responsible for creating the large pits in the sieve plates of phloem cells?

With more than ____ species, flowering plants dominate the plant kingdom.

What are the modified stems of cacti called?

The veins of leaves are used for ____.

Approximately what percent of the water that enters a plant is lost by transpiration?

The movement of materials already in the phloem is described as ____.

Plants can close tiny gaps in their epidermis, referred to as ____, to limit water loss from internal tissues.

When guard cells are filled with water, ____.

What particle of soil is best at retaining dissolved nutrients that might otherwise trickle past roots too quickly to be absorbed?