Study Set Content:
THE STONEWORTS
PHYLUM CHAROPHYTA
often precipitate calcium salts on their surfaces.
PHYLUM CHAROPHYTA
Reproduction of phylum charophyta
Their sexual reproduction is oogamous,
unlike the antheridia of the algae
those of stoneworts are multicellular
Some botanists have considered them more closely related to mosses than to algae.
PHYLUM CHAROPHYTA-STONEWORTS
40% of a diatom's, mass consists of oils that are converted into
cod and other liver oils that are rich sources of vitamins for humans
The oils also may in the past have contributed t
petroleum oil deposits
As billions upon billions of them have reproduced and died, their microscopic, glassy shells have accumulated on the ocean floor, forming deposits of
diatomaceous earth.
Diatomaceous earth is ideal for
ndustrial and domestic uses including many types of filtration.
used in silver and other metal polishes in toothpaste and in manufacturing paint that reflects light. Reflectorized paint is used on highway markers and signs and on the automobile license plates of some states.
Diatomaceous earth i
Diatomaceous earth is also packed as(blank)around blast furnaces and boilers and is manufactured into the construction panels; used in prefabricated housing.
insulation
Gardeners sometimes use diatomaceous earth fo
slug control.
has been used for food on a limited scale in Asian countries for some time
Sea lettuce
contains most of the vitamins needed in human nutrition may become an important protein source in many parts of the world.
Chlorella
Chlorella contains most of the vitamins needed in human nutrition, except for
Vitamin C
Commercially produced ice cream, salad dressing, beer, jelly beans, latex paint, penicillin suspensions, paper, textiles, toothpaste, ceramics and floor polish today all share a common ingredients produced by the giant kelps and other brown algae.
algin
has the unique capacity to regulate water "behavior in a wide variety of products
Algin
has been used in other parts of the world in the treatment of goiter
Dried kelp
are relatively high in nitrogen and potassium and have been used as fertilizer for many years. also have been used as livestock feed in northern Europe and elsewhere. In the Orient, many marine algae are used for food in soups, confections, meat dishes, vegetable dishes, and beverages.
Kelps
In Japan,, what is produced through the fermentation of seaweeds
Acetic acid
