Exam 21: The Diversity of Plants

While walking in a forest, you find a plant with what appear to be unfertilized seeds on little scales exposed to the air. Yellow dust-like particles are on the surface of the unfertilized seeds. This plant is a(n):

How does photosynthesis benefit nonphotosynthetic organisms like humans?

Pollen and seeds evolved in response to:

Why are ferns not well adapted to desert areas?

The fruit in the photo has evolved for dispersal by:

Which of the following depends on a method of seed dispersal other than the consumption of its fruits?

Ginkgos are classified as:

The haploid, single-celled product of mitosis is a:

Club mosses and horsetails have vascular tissue. True or False?

Which of the following is technically not a fruit?

Bryophytes absorb water through:

Which of the following is most likely to disappear from an ecosystem during an extended drought?

How do gymnosperms differ from angiosperms?

Green algae are assumed to be ancestors of plants because:

Which of the following is most likely to be successful and thrive in a desert ecosystem?

Both plants and green algae store food as:

Fruits are a method of pollen dispersal. True or False?

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. What happened?

The cuticle in a plant speeds water uptake by the roots. True or False?

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?