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These flashcards cover key concepts, definitions, and terminology related to the supergroup Archaeplastida, including its characteristics, classifications, and significance in ecology.
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Archaeplastida
A supergroup that includes green algae, red algae, and land plants, characterized by plastids derived from a single primary endosymbiosis event.
Plastids
Organelles in plant cells that function in photosynthesis, storage, and the synthesis of other molecules.
Phycocyanin
A blue pigment found in cyanobacteria and some algae; important in photosynthesis.
Rhodophyta
Commonly known as red algae, a diverse group of seaweeds found primarily in coastal waters.
Floridean Starch
A glucose polymer stored in the cytoplasm of red algae, used for energy.
Phycobilins
Pigments found in red algae that assist in capturing light for photosynthesis.
Charophytes
A group of green algae that are closely related to land plants, sharing several characteristics.
Zygnematales
An order of green algae that are filamentous, characterized by their unique sexual reproduction.
Chlorophytes
A diverse group of green algae that are primarily found in freshwater, saltwater, and soil.
Acetabularia
A genus of green algae commonly known as mermaid's wine glass, recognized for its unique structure.
Alternation of Generations
A reproductive cycle characterized by both haploid and diploid stages, often seen in plants and algae.
Chlamydomonas
Genus of unicellular green algae, often used as a model organism in molecular biology.
Oogamy
A form of sexual reproduction that involves a large non-motile egg and smaller motile sperm.
Symbiosis
A mutually beneficial relationship between different organisms, such as algae living in animal tissues.
Coralline Algae
A type of red algae that deposit calcium carbonate in their cell walls, important in reef building.
Gelidium
A genus of red algae used as a food thickener and in cosmetic products.
Dulse
A type of red algae that is consumed as a snack food, high in protein and minerals.
Lichens
Symbiotic associations between fungi and algae or cyanobacteria, often found in harsh environments.