Algae | Definition, Characteristics, Classification, Examples, & Facts ...
Dec 17, 2024 · Algae are eukaryotic organisms and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the mitochondrion. In most algal cells, …
List of algae | Freshwater, Marine, Microalgae | Britannica
Algae are predominantly aquatic, photosynthetic organisms. The group is extremely diverse, ranging from giant kelps to microscopic diatoms, and their taxonomy is contentious. The …
Algae - Photosynthesis, Diversity, Ecology | Britannica
Dec 17, 2024 · 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 …
Algae - Phycology, Photosynthesis, Taxonomy | Britannica
Dec 17, 2024 · Early morphological research using electron microscopes demonstrated differences in features, such as the flagellar apparatus, cell division process, and organelle …
Seaweed | Definition, Types, & Facts | Britannica
Dec 26, 2024 · Seaweed, any of the red, green, or brown marine algae that grows along seashores. Seaweeds are generally anchored to the sea bottom or other solid structures by …
seaweed - Kids | Britannica Kids | Homework Help
Seaweeds are types of algae that grow along seashores. Seaweeds often form dense growths on rocky shores or in shallow water. Seaweeds attach themselves to the sea bottom or some …
Algae - Photosynthesis, Diversity, Nutrition | Britannica
Dec 17, 2024 · Algae - Photosynthesis, Diversity, Nutrition: Algal cells are eukaryotic and contain three types of double-membrane-bound organelles: the nucleus, the chloroplast, and the …
algae - Kids | Britannica Kids | Homework Help
There are about 27,000 different species, or types, of algae. They are most common in water, such as oceans, rivers, lakes, streams, ponds, and marshes. Some species live in soil or on …
algae - Students | Britannica Kids | Homework Help
In general, algae are organisms that are made up of one or more eukaryotic cells (cells with a true nucleus) that contain chlorophyll and that are less complex than plants. Many types of algae …
Characteristics and importance of algae | Britannica
Algae were formerly classified into three major groups—the red, brown, and green seaweeds—based on the pigment molecules in their chloroplasts. Many more than three …