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BIOLOGY - algae Matching
define thallus.
the simple body of a multicellular algae
almost all entirely marine, they grow in deeper water than other algae.
red algae (rhodophyta)
CHLOROPHYTA is?
green algae, its multicellular. 7,000 species exist in this phyla. only a few species are marine, most are freshwater and they range from microscopic up to 8m long, they are similar to greem plants on land. examples: volvox and spirogyra
what of 2 ways do algae reproduce?
sexual & asexual
what allows the aborption of blue light?
phycobillins.
how large can algae grow to be?
70 meters/230 feet
what is the largest of the algae?
brown algae (phaeophyta)
why are most algae found floating near the surface of fresh and salt water?
because they require sunlight
what is the largest food source of water dwelling organisms?
plankton
what kingdom do algae belong to?
protista
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