Lichens and Bryophytes
5.
How are the gametes transferred from the male to the female plants?
LICHENS
A. http://ocid.nacse.org/lichenland/html/meeting.html
1. What forms when a compatible alga and fungus meet?
6.
What does the capsule contain?
2. What are some ways we use lichens?
B. http://www.backyardnature.net/lichens.htm
1. What is a lichen?
7. What do the spores develop into?
MOSSES
E. http://bryophytes.science.oregonstate.edu/page3.htm
1. Briefly describe the characteristics of a moss plant.
2.
How does the fungi benefit from the algae?
2.
Why is water necessary for fertilization to occur?
3.
How does the algae benefit from the fungi?
3.
Give two ways that mosses can acquire nutrients.
4.
What is this type of relationship called?
4.
What are the two main requirements for mosses to be successful?
5.
What is the name given to the main body of a lichen?
5.
Name several uses for mosses.
6.
Click on each of the three basic types of lichens and then look at the
lichen in the foil pan. Which type of lichen do you think it is?
6.
In your notebook make a diagram of a moss plant and label all of the parts. You
will be expected to know all the parts of a moss plant.
Describe at least two ways in which lichens are important to the
environment.
BRYOPHYTES
C. http://www.rbge.org.uk/science/cryptogamic-plants-and-fungi/bryology
1. What are the three groups represented in the phylum Bryophyta?
7.
2. Describe some ways that bryophytes are important.
ALTERNATION OF GENERATIONS
D. http://www.sumanasinc.com/webcontent/animations/content/moss.html
Click on Introduction
1. Name some general characteristics and members of Bryophyta.
2.
What are the structures that hold liverworts to the ground?
3.
How are the “leaves” of liverworts different from the leaves of trees?
4.
What are the two kinds of liverworts?
Before clicking on Animation read the following:
5.
Which kind of liverwort do you think is in the pan?
Haploid= number of chromosomes in sex cells or gametes (1n or n). You have
23 chromosomes in each of your sex cells.
Diploid= number of chromosomes in body cells (2n). You have 23 PAIRS of
chromosomes in your body cells.
6.
Describe how asexual reproduction happens in some liverworts.
7.
How did liverworts get their name?
7.
Click on Animation and watch and listen to the narration of the entire clip
before answering the following questions (repeat the animation to answer the
questions, if necessary):
2. Which form is the haploid form, the gametophyte or the sporophyte?
3.
What are produced in antheridia?
4.
In which structures are the egg cells produced?
http://www.andrewspink.nl/mosses/thumbnails.htm#p
identify the moss in the pan- give your best guess!
LIVERWORTS
F.
http://www.backyardnature.net/liverwrt.htm
1. How long ago did the first liverworts appear?
use this site to attempt to
8. Where are several places that liverworts can be found?
HORNWORTS
G. http://www.hiddenforest.co.nz/bryophytes/hornworts/intro.htm
1.
How did hornworts get their name?
2.
Describe some ways that hornworts different from other bryophytes.