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.
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