brown algae, its multicellular. 1,500 species; nearly all species are marine, are found on rocky coasts and in cooler waters
makes up the ocean's phytoplankton.
fire algae (pyrrophyta)
most species are freshwater and similar to plants.
green algae (chlorophyta)
what is a hold fast?
root-like extension, doesn't nourish a true root
RHODOPHYTA is?
red algae, its multicellular. 4,000 species. found in many places, but common in tropical oceans and are almost entirely marine. the colors can range from yellow, reddish-purple, and red. they grow in deeper waters than other algaes.
CHRYSOPHYTA is?
golden algae, its unicellular. contains 12,000 species and shelled organisms, have a cell wall of silica; example: diatoms, which have 2 identical halves
define algae.
autotrophic, contains chrlorophyll A and carry out photosynthesis
true or false: multicellular algae lack true roots, stems, leaves, flowers, fruits, and seeds.