Algae

Algae are photosynthetic organisms that can range in size from microscopic unicellular organisms to large multicellular seaweeds. They can be found in various aquatic environments and exhibit a wide range of pigments for photosynthesis.

Algae are primarily autotrophic, obtaining energy through photosynthesis. However, some species may also exhibit mixotrophic or heterotrophic nutrition depending on their environment and available resources.

Algae can vary greatly in size, ranging from microscopic unicellular organisms to large multicellular seaweeds. They are found in diverse aquatic environments such as freshwater, marine environments, and even moist terrestrial habitats.

<p>Algae lack true roots, stems, and leaves, and their reproductive structures are different from those of higher plants.</p> Signup and view all the answers

<p>The cell walls of algae contain cellulose and various types of gel-forming polysaccharides, while plant cell walls are composed mainly of cellulose.</p> Signup and view all the answers

<p>Algae exhibit a wide range of reproductive strategies, including both sexual and asexual reproduction, and some species have complex life cycles involving alternation of generations.</p> Signup and view all the answers