Class Phaeophyceae and Rhodophyta

This set of flashcards covers key concepts, definitions, and terminology from the lecture notes on Class Phaeophyceae and Phylum Rhodophyta.

Phaeophyceae

A class of multicellular and often large macroalgae known as brown seaweeds.

Kelp Forests

Underwater forests formed by large brown seaweeds, characterized by high productivity exceeding 1 kg C/m²/yr.

Alginic acid

A substance in cell walls of phaeophytes that facilitates ion exchange and provides flexibility.

Heterokontous flagella

A type of flagellum found in phaeophytes, characterized by one smooth and one hairy flagellum.

Plasmodemata

Cellular structures that allow cytoplasm-cytoplasm communication between adjacent plant cells.

Isomorphic

A term describing life cycles where two generations look the same.

Anisogamous

A reproductive strategy where gametes are distinguishable by size or appearance.

Rhodophyta

A phylum of red algae characterized by a lack of centrioles and the presence of phycobilins.

Floridean Starch

A type of starch found in red algae, characterized by a-1,4 and 1,6 linkages.

Eurhodophytina

Most derived classes in red algae, encompassing diversely complex algae with sexual reproduction.