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Seaweed 161010040501
1.
2. SEAWEEDS
refers to several species of
macroscopic, multicellular,
marine algae. The term
includes some types of red,
brown, and green algae
3. TYPES OF SEAWEEDS
• Green seaweed (cholorophyta) is the
most diverse group of algae, with
more than 7000 species growing in a
variety of habitats.
Like the plants, the green algae
contain two forms of chlorophyll,
which they use to capture light
energy to fuel the manufacture of
sugars, but unlike plants they are
primarily aquatic.
4. Green seaweeds are directly eatable
by people. On some occasions they
are used as a great source for
fertilizer and also used as animal
feed (Usually given to Chickens for
early growth
5.
6. • Red seaweeds (Rhodophyta) - The
red algae Kappaphycus and
Betaphycus are now the most
important sources of carrageenan,
a commonly used ingredient in
food, particuarly yoghurts,
chocolate milk and repared
puddings.
7. Most rhodophytes are marine,
although freshwater species are
found; these generally prefer clean,
running water, but with some
exceptions
8.
9. • Brown Seaweeds (Phaeophyceae)-
the Phaeophyceae or brown algae
is a large group of mostly marine
multicellular algae, including many
seaweeds of colder Northern
Hemisphere waters.
They play an important role in
marine environments, both as food and
for the habitats they form.
10. The brown algae include a number
of edible seaweeds, and a number of
brown algae contains alginic acid that
is extracted commercially and used in
a large number of
products.Sargachromanol G, found in
brown algae, may be anti-
inflammatory.
18. • For Five Points Define what is
seaweed?(3pts.)
• Give the three classifications of
seaweeds.
• Describe the following:
– Red Seaweed
– Brown Seaweed
– Green Seaweed
• Why seaweed is important? 5pts