What is the opening in the pine needle for gas exchange known as?

A pinecone would most likely come from a…

What plant spores are used in theatrical explosions and at one time were used for flash photography? (Hint: we watched a video where a scientist used this to make a flamethrower).

What is the function of spores?

True or false: conifers are evergreens.

Why is the ephedra plant often called whorehouse tea?

In ferns, what structure contracts to release spores from the sporangium?

True or false: pollen is simply a plant’s unfertilized egg cells.

True or false: the zygote (in a fern) results from the fertilization of an egg cell by a sperm cell.

What is the name of the collection of spores on the underside of a fern’s leaf?