Algae - Wikipedia
WebAlgae (UK: / ˈ æ l ɡ iː / AL-ghee, US: / ˈ æ l dʒ iː / AL-jee; sg.: alga / ˈ æ l ɡ ə / AL-gə) are any of a large and diverse group of photosynthetic, eukaryotic organisms. The name is an informal term for a polyphyletic grouping that includes species from multiple distinct clades.
Algae | Definition, Characteristics, Classification, Examples, & Facts ...
WebApr 23, 2024 · algae, members of a group of predominantly aquatic photosynthetic organisms of the kingdom Protista. Algae have many types of life cycles , and they range in size from microscopic Micromonas species to …
What Are Algae? | Live Science
WebJun 4, 2016 · Algae are a diverse group of aquatic organisms that have the ability to conduct photosynthesis. Certain algae are familiar to most people; for instance, seaweeds (such as kelp or...
Algae | Botany Basics | Biology Dictionary
WebApr 17, 2019 · Algae Definition. Algae is a term used to describe a large, diverse group of eukaryotic, photosynthetic organisms. Algae can be unicellular, live in colonies, or even be multicellular. The wide variety algae makes them hard to classify. Algae span both terrestrial and marine environments, growing almost anywhere there is water and sunlight.
Algae - Photosynthesis, Diversity, Nutrition | Britannica
WebAlgae - Photosynthesis, Diversity, Nutrition: Algal cells are eukaryotic and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. In most algal cells there is only a single nucleus, although some …
Characteristics and importance of algae | Britannica
Webalgae, Members of a group of mostly aquatic photosynthetic organisms (see photosynthesis) that defy precise definition. They range in size from the microscopic flagellate Micromonas to giant kelp that reach 200 ft (60 m) in length. Algae provide much of Earth’s oxygen, serve as the food base for almost all aquatic life, and provide foods and ...
Algae: the world’s most important “plants”—an introduction
WebSep 1, 2010 · The algae changed the atmosphere of the planet, gave rise to the land plants, provide half of the planet’s annual oxygen supply, are directly responsible for all seafood, and indirectly responsible for all “land food,” and they help supply fixed nitrogen to support life on the planet.
Algae - Encyclopedia of Life
WebSeaweeds: Multicellular marine algae, or seaweeds, are plant-like organisms that generally live attached to rocks or other hard substrata in coastal areas.They belong to three different groups, recognized since the mid-nineteenth century on the basis of thallus color: red algae (phylum Rhodophyta), brown algae (phylum Ochrophyta: class Phaeophyceae), and …
Algae | Smithsonian National Museum of Natural History
WebBotany. Research. Algae. The US Algal Collection is represented by almost 300,000 accessioned and inventoried herbarium specimens. Algae are photosynthetic organisms that occur in most habitats, ranging from marine and freshwater to desert sands and from hot boiling springs to snow and ice.
Algae - Definition and Examples - Biology Online Dictionary
WebMar 10, 2023 · Algae (singular: alga) are organisms that belong to Domain Eucarya and are distinct from animals by being photosynthetic. However, they differ from the vascular plants by lacking true roots, stems, and leaves. Etymology. The term algae is from the Latin alga, meaning “seaweed”.
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