Exam 27: Seedless Plants

Diagram and label the life cycle of a fern. Be sure to identify the gametophyte and sporophyte generations.

Which of the following is the structural and molecular data that indicate that land plants probably descended from a group of green algae?

What is the most ancient group of plants alive today?

According to the fossil record, the oldest vascular plants are placed in which phylum?

How are the sperm of moss transported to the archegonia?

_______________ are the only living nonvascular plants.

Each archegonium produces many eggs.

_______________ probably originated as outgrowths of stem tissue that developed a single vascular strand later.

Many seedless plants produce spores of one morphological type, which is referred to as:

Microphylls is a structure that can only be found in:

Identify and briefly describe the two phyla of seedless vascular plants. Include one or two representatives of each phylum.

Club mosses belong to the phylum Bryophyta .

A bryophyte having a single large chloroplast in each cell belongs to which phylum?

____ are small leaves with a single vascular strand.

Meiosis occurs forming spores within which of the following?

Each individual gametophyte plant has tiny, hair like absorptive structures known as:

Which is the most economically important bryophyte?