The land plants are probably descendants of which of these groups?
- green algae
- red algae
- brown algae
The event that leads from the haploid stage to the diploid stage in alternation of generations is ________.
Moss is an example of which type of plant?
- haplontic plant
- vascular plant
- diplontic plant
- seed plant
Why do mosses grow well in the Arctic tundra?
- They grow better at cold temperatures.
- They do not require moisture.
- They do not have true roots and can grow on hard surfaces.
- There are no herbivores in the tundra.
Which is the most diverse group of seedless vascular plants?
- the liverworts
- the horsetails
- the club mosses
- the ferns
Which group are vascular plants?
Which of the following traits characterizes gymnosperms?
- The plants carry exposed seeds on modified leaves.
- Reproductive structures are located in a flower.
- After fertilization, the ovary thickens and forms a fruit.
- The gametophyte is longest phase of the life cycle.
What adaptation do seed plants have in addition to the seed that is not found in seedless plants?
- vascular tissue
Pollen grains develop in which structure?
- the anther
- the stigma
- the filament
- the carpel
Corn develops from a seedling with a single cotyledon, displays parallel veins on its leaves, and produces monosulcate pollen. It is most likely:
- a gymnosperm
- a monocot
- a eudicot
- a basal angiosperm