Association of Local Government Auditors
网页ALGA empowers our local government auditing community through excellence in advocacy, education, communication, and collaboration to protect and enhance the public good while embracing diversity, equity, and inclusiveness.
Alga Definition & Meaning - Merriam-Webster
网页The meaning of ALGA is any of a diverse group of chiefly photosynthetic and aquatic plantlike organisms that range from unicellular to large multicellular forms, are typically classified as protists, and include the green, yellow-green, brown, golden-brown, and red algae in the eukaryotes and especially formerly the cyanobacteria in the ...
Algae | Definition, Characteristics, Classification, Examples, & Facts
网页2024年8月20日 · 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 giant …
Algae - Wikipedia
网页Algae (UK: / ˈælɡiː / AL-ghee, US: / ˈældʒiː / AL-jee; [3] sg.: alga / ˈælɡə / 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 - Photosynthesis, Diversity, Ecology | Britannica
网页2024年8月20日 · The algae can be divided into several types based on the morphology of their vegetative, or growing, state. Filamentous forms have cells arranged in chains like strings of beads. Some filaments (e.g., Spirogyra) are unbranched, whereas others (e.g., Stigeoclonium) are branched and bushlike.
Algae: Definition, Types, Characteristics &Amp; Reproduction
网页2024年6月2日 · According to G.W Prescott (1969), algae are those chlorophyll-bearing organisms (and their colorless relatives) that are thalloid, i.e., having no true roots, stems, leaves or leaf-like organs.
Algae | Botany Basics - Biology Dictionary
网页2019年4月17日 · 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.
Characteristics and importance of algae | Britannica
网页algae, 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 - Smithsonian National Museum of Natural History
网页Algae Classification. BACILLARIOPHYTA (diatoms) Bacillariophyta are unicellular organisms that are important components of phytoplankton as primary sources of food for zooplankton in both marine and freshwater habitats. Most diatoms are planktonic, but some are bottom dwellers or grow on other algae or plants.
5 Main Types of Algae in the Ocean
网页5 Main Types of Algae in the Ocean. Algae absorb 45-50% of global CO2 and are key to the environment. Explore the 5 main types of algae: Brown, Green, Red, Diatoms, Dinoflagellates. Algae, often overlooked and underestimated, are foundational organisms in marine ecosystems.
Algae - Encyclopedia of Life
网页Algae are morphologically simple, chlorophyll-containing organisms that range from microscopic and unicellular (single-celled) to very large and multicellular. The algal body is relatively undifferentiated and there are no true roots or leaves.
What Are Algae? - Live Science
网页2016年6月4日 · 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 - Definition and Examples - Biology Online Dictionary
网页2023年3月10日 · 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.
Algae - Definition, Characteristics, Types and Examples - BYJU'S
网页“Alga is a term that describes a large and incredibly diverse group of eukaryotic, photosynthetic lifeforms. These organisms do not share a common ancestor and hence, are not related to each other (polyphyletic).” Multicellular examples of algae include the giant kelp and brown algae.
7 Major Types of Algae - ThoughtCo
网页2018年9月12日 · Algae are protists with plant-like characteristics, that are typically found in aquatic environments. Like plants, algae are eukaryotic organisms that contain chloroplasts and are capable of photosynthesis. Like animals, some algae possess flagella, centrioles, and are capable of feeding on organic material in their habitat.
Algal Blooms - National Institute of Environmental Health Sciences
网页2024年8月5日 · What are algae? Algae are microscopic organisms that live in aquatic environments and use photosynthesis to produce energy from sunlight, just like plants. Algae can be found in all types of natural waters, including salt water, fresh water, and brackish water (a mix of salt and fresh water). A few types of algae produce toxins.
Algae - Photosynthesis, Diversity, Nutrition | Britannica
网页2024年8月20日 · Algae - 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 cells are multinucleate. In addition, some algae are siphonaceous, meaning the many nuclei ...
5.4: Algae - Biology LibreTexts
网页2024年4月21日 · Algae are a diverse group of photosynthetic eukaryotic protists. Algae may be unicellular or multicellular. Large, multicellular algae are called seaweeds but are not plants and lack plant-like ….
Algae - New World Encyclopedia
网页Algae (singular alga) are a large and diverse group of photosynthetic, eukaryotic, plant-like organisms that use chlorophyll in capturing light energy, but lack characteristic plant structures such as leaves, roots, flowers, vascular tissue, and seeds.
Algae - Phycology, Photosynthesis, Taxonomy | Britannica
网页2024年8月20日 · The classes are distinguished by the structure of flagellate cells (e.g., scales, angle of flagellar insertion, microtubular roots, and striated roots), the nuclear division process (mitosis), the cytoplasmic division process (cytokinesis), and the …
Algae: Current Biology - Cell Press
网页2014年7月7日 · An alga can be broadly described as an organism carrying out oxygen-producing (oxygenic) photosynthesis that is not a ‘higher plant’ (embryophyte). Figure 1 A indicates oxygenic photosynthesis in terms of chemical substrates and products, but not their stoichiometry.
Descubra los beneficios de incorporar alga marina a su ... - El …
网页2 天之前 · Aunque existen numerosos tipos de algas marinas, solo algunas son aptas para el consumo humano, como el alga wakame, nori, aonori, espirulina, combú, quelpo y ogo, entre otras. Estas plantas ...
Algae - Photosynthesis, Aquatic Ecosystems, Biomass
网页2024年8月20日 · Algae form organic food molecules from carbon dioxide and water through the process of photosynthesis, in which they capture energy from sunlight.
Green algae | Photosynthesis, Chloroplasts, Autotrophs
网页Green algae, members of the division Chlorophyta, comprising between 9,000 and 12,000 species. The photosynthetic pigments (chlorophylls a and b, carotene, and xanthophyll) are in the same proportions as those in higher plants. The typical green algal cell, which can be motile or nonmotile, has a.
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