What is the part of the plant labeled “A” in this picture and what structure is it a part of?

In the microscopic image of moss archegonia, what structure is labeled by the pink arrow?

Which of the following structures is only found in the region of maturation of a root?

In this illustration of a moss plant, what does letter D represent?

You are walking around campus and you find a flowering plant that you identify as a monocot. List five characteristics of this plant that help you to identify it as a monocot. 

This is a microscopic image of a root cross section. Is this a monocot root or eudicot root?

This is a spider plant. It has a long stem that produces plantlets called spiderlings. What is this modified stem called?

A gingko tree has distinctive fan shaped leaves that turn golden yellow in the fall. To what group of plants does the gingko tree belong?

This is a microscopic image of a stem cross section. The vascular bundles are arranged in a ring around the outer part of the stem. Is this plant a monocot or eudicot?

What structures in a leaf can open to allow gas exchange during photosynthesis, and can close during hot and dry conditions?