Exam 22: The Diversity of Plants

The are the most diverse seedless vascular plants.

A mature pine tree is part of the generation.

Conifer seeds develop in reproductive structures called .

The cells of a gametophyte are

The only seedless vascular plants with broad leaves are ferns.

Which group of land plants is most restricted to moist environments?

In the 1800s, northern Minnesota was covered with heavy forests. After the forests were logged off, the land was sold for farms. The majority of the farms failed because the land became waterlogged. Why did this happen?

Which of the following supports the idea that land plants arose from green algae?

How does photosynthesis benefit nonphotosynthetic organisms such as humans?

What characteristics allow conifers to dominate cold, dry habitats?

Which of these is an advantage shared by early plants that invaded land?

To limit water loss, land plants developed

In some areas of the world where there are large numbers of pine trees, in the spring everything is covered with a yellow dust that turns out to be pine pollen. Why must conifers produce so much pollen, and why doesn't a field of flowers produce so much pollen?

Cycads are classified as

Horsetails are classified as

You discover a new species of plant in a tropical rain forest. You observe that it has flagellated sperm and the sporophyte emerges from the gametophyte; however, seeds and xylem tissue is lacking. This plant is probably a(n)

-Based on the evolutionary tree, angiosperms are most closely related to

The generation of a plant is diploid.

If you were hiking and wanted to show off your understanding of the differences between gymnosperms and angiosperms, what characteristics could you see with your naked eye that would help you impress your friends?

Which group of plants was the first to produce seeds?