Botany Test 1 (Ferns and Fern Allies)

What life cycle feature do fern allies share with ferns?

Fern allies and ferns have small free-living gametophytes.

Which fern ally has flash-powder spores?

Flaming spores come from club-mosses. Google dragon's breath.

What does heterospory mean?

Having separate male and female spores.

The band of cells that opens the sporangium and tosses spores is the...

Annulus.

What is a common English name for Lycopodium?

Club-mosses.

In ferns which generation is small and free-living?

In ferns the small generation is the gametophyte.

Write out the land plant life cycle.

In the land plant life cycle, the sporophyte generation makes spores. Spores grow into the gametophyte generation. The gametophyte generation makes eggs and sperms. Eggs and sperms unite to form a zygote, which grows into a new sporophyte.

The membrane often over the sorus is the...

Indusium.

Of the traditional "fern allies," which actually are true ferns?

Of the so-called fern allies, the true ferns are Psilotum and Equisetum.

A cluster of sporangia is a...

Sorus.

What is a common English name for Selaginella?

Spike-mosses.