The algae reproduce by ______, asexual & sexual reproduction.
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Vegetative reproduction is by ______ . Each fragment develops into a thallus.
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These gametes can be flagellated & similar size ( as in ______ ) or non-flagellated & but similar in size ( as in ______ ) such reproduction is called ______
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Many species of ______, laminaria & ______ are among the 70 species of marine algae used as food.
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Certain marine brown & red algae produce large amounts of hydrocolloids ( water holding substance ) e.g. ______ ( brown algae ) & ______ ( red algae ) which are used commercially.
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The sexual reproduction shows considerable variation in the type & formation of sex cells & it may be ______, ______ or oogamous .
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The plants body of bryophyte is ______ than that of algae. It is thallus-like & prostrate or erect, & attached to substratum by ______ or ______ Rhizoids.
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The plants body of liverworts is ______ e.g. MARCHANTIA
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The leafy members have tiny leaf-like appendages of ______ on the stem-like structure.
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In some cases sporophylls may form a distinct compact structure called ______ or ______ . (Selaginella & equistem )
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The microspores develop into a male-gametophytic generation which is highly ______ & is confined to only a limited number of cells.this reduced gametophytes is called pollen grains.
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