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chapter 16 part 2 ls module Flashcards

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xylem and phloem; seeds

Ferns, club mosses, and horsetails have ______, but do not produce ______.

true roots
stems
rhizomes
leaves

Select all of the structures that can be present in many species of seedless vascular plants.

Lycopodiophyta (club mosses and spike mosses)
Pteridophyta (horsetails, whisk ferns, and true ferns)

Select all of the following that are phyla of seedless vascular plants.

true ferns

What group of seedless vascular plants contains the most species?

sperm

Because seedless vascular plants have ______ that require a film of water to reach the egg, these plants live in moist habitats.

both xylem and phloem

Seedless vascular plants have

Rhizomes can store carbohydrates.
In many species, leaves and roots arise from the rhizomes.

Select all the functions that rhizomes serve in seedless vascular plants from the choices below.

sporangia, spores

In the sporophyte stage of the fern life cycle, Blank______ on the underside of each frond produce Blank______.

- first seed plants on Earth
- have seeds
- use pollen grains for gamete transfer

Select all the following that describe gymnosperms.

seedless vascular plants

Lycopodiophyta and Pteridophyta are the two phyla of

usually woody or shrublike.

The sporophyte of a gymnosperm is

terrestrial

Most seedless vascular plants are

swimming through a film of water

In the life cycle of a fern, how do sperm reach egg cells?

separate male and female cones

What types of cones do conifers produce?

fruit

The seeds of gymnosperms are not enclosed in a ______, which is why they are called gymnosperms, "naked seed" plants.