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  1. Algae | Definition, Characteristics, Classification, Examples ...

    Jan 24, 2026 · 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 …

  2. Algae - Wikipedia

    The algae are a heterogeneous group of mostly photosynthetic organisms that produce oxygen and lack the reproductive features and structural complexity of land plants. This concept includes the …

  3. Algae – Definition, Examples, Characteristics

    Sep 11, 2024 · Algae are primarily aquatic, photosynthetic organisms that are often simple in structure and range from unicellular microalgae, like diatoms, to multicellular forms, such as giant kelp.

  4. What Are Algae? - Live Science

    Jun 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 …

  5. Algal Blooms - National Institute of Environmental Health ...

    Sep 10, 2025 · 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. In these algae, …

  6. What are Algae? - Microbiology Society

    They are similar to plants, as they contain a pigment called chlorophyll to photosynthesise (converting sunlight, water and carbon dioxide to oxygen and sugar), but their cells, structure and methods of …

  7. What are algae? | Florida Atlantic University

    Algae are a diverse group of plant-like organisms, with over 70,000 different species that can be found around the globe. These aquatic organisms use photosynthesis to create food from sunlight, like …

  8. What are Algae ... and What is so Amazing about Them?

    The word “algae” refers to various organisms that usually live in water. Fun fact: Algae is actually the plural form of the word alga, which means a single plant-like organism.

  9. Algae: Definition, Types, Characteristics &Amp; Reproduction

    Jun 2, 2024 · Algae are a type of aquatic plant that contains chlorophyll and can carry out photosynthesis. They are similar to plants in that they are autotrophs, but they are not structurally …

  10. What is Algae? (with pictures) - AllTheScience

    Jun 4, 2024 · Algae (singular alga) are a large group of diverse organisms that use photosynthesis to produce food. Although some forms are large and multicellular, they differ from plants in that …