Download Seedless Plants A. 1. a.

Name
Date
Class
Lesson Outline
LESSON 2
Seedless Plants
A. Nonvascular Seedless Plants
1. Nonvascular seedless plants are often referred to as
.
a. Bryophytes are usually small, lack
tissue, and live in
environments.
b. Materials move in bryophytes by diffusion or
from
cell to cell.
c. Bryophytes do not have roots, stems, or
.
d. Bryophytes have rootlike structures called
, which
anchor it to a surface.
e. Reproduction in bryophytes requires water and occurs
by
.
f. Mosses, liverworts, and
are bryophytes.
2. The most common bryophytes,
live in shady, damp
environments and can survive long periods of
.
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a. Mosses have leaflike structures that grow on a stemlike structure called
a(n)
.
b. Mosses have
rhizoids.
c. Mosses are often the
plants to grow in barren areas
or after a natural disturbance such as a fire or a mudslide.
d. Mosses can retain large amounts of
, which makes
moss a useful additive for potting soil.
3.
look like the flattened lobes of a liver.
a. The
of liverworts are unicellular.
b. The two common forms of liverworts are
and
thallose liverworts.
4.
are named for their long, hornlike reproductive structures.
a. Hornworts reproduce by
b. Each photosynthetic cell in a hornwort has only one
Plant Diversity
.
.
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Name
Date
Class
Lesson Outline continued
B. Vascular Seedless Plants
1. Vascular plants make up more than
percent of plant
species.
2. Unlike nonvascular plants, vascular plants contain vascular tissue in their
, roots, and leaves.
3.
plants contain tubelike structures that transport water
and nutrients, which allows these plants to grow
nonvascular plants.
4.
than
fuels come from the remains of ancient vascular
seedless plants.
5. The
, or leaves of ferns, make up most of a fern.
a. Ferns grow in many
, including dry, rocky cliffs and
damp, swampy areas.
b. People grow ferns in their homes and gardens and sometimes eat their young
fronds, called
.
6. Unlike mosses,
have roots, stems, and leaves.
a. Club mosses are small plants, whose stems grow along the
.
b. The fine powdery spores of club mosses are
been used to make
7.
and have
.
have small leaves that grow in circles around the stems.
a. Horsetail stems are hollow and the tissue contains
,a
mineral found in sand, that makes them abrasive.
b. Horsetails were once used to scrub
30
.
Plant Diversity
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
and whose leaves are