For Algae we have terms and definitions in 17 topics. The topics are Agriculture, Beauty, Biology, Carpet, Climate, Ecology, Environment, Evolution, Fossils, Health and Beauty, Hunting, Oceanography, Paleontology, Physical Geography, Pool and Spa, Sanitation and Speleological.

Algae (Agriculture)

Aquatic plants that lack a vascular system. Some are microscopic and others are large. Examples are pond scum, kelp and red tides.

Algae (Beauty)

Algae is a seaweed full of trace elements, calcium, and magnesium. In skincare products, it helps the skin store moisture to improve elasticity.

Algae (Biology)

A large number of photosynthetic organisms that are generally unicellular and not classified as plants.

Algae (Carpet)

Blue-green single cell organisms contain chlorophyll and grow (photosynthesize) in sunlit water in relative proportion to the nutrients present.

Algae (Climate)

Simple rootless plants that grow in sunlit waters in relative proportion to the amounts of nutrients available. They are food for fish and small aquatic animals.

Algae (Ecology)

Small organisms, mostly living in water, some of which are considered plants and some of which are considered protists. Many of them only have one cell. Algae is eaten by many aquatic animals. Terrestrial (land) algae is shelter and food for small animals like springtails and mites.

Algae (Environment)

Simple rootless plants that grow in sunlit waters in proportion to the amount of available nutrients. They can affect water quality adversely by lowering the dissolved oxygen in the water. They are food for fish and small aquatic animals.

Algae (Evolution)

An umbrella term for various simple organisms that contain chlorophyll (and can therefore carry out photosynthesis) and live in aquatic habitats and in moist situations on land. The term has no direct taxonomic significance. Algae range from macroscopic seaweeds such as giant kelp, which frequently exceeds 30 m in length, to microscopic filamentous and single-celled forms such as Spirogyra and Chlorella.

Algae (Fossils)

Photosynthetic, almost exclusively aquatic, nonvascular plants that appeared in the Precambrian and that range in size from simple unicellular forms to giant kelps.

Algae (Health and Beauty)

Algae is a seaweed full of trace elements, calcium, and magnesium. In skincare products, it helps the skin store moisture to improve elasticity.

Algae (Hunting)

Large and heterogenous group of plants living in aquatic or damp terrestrial habitats.

Algae (Oceanography)

Plants (usually in water) that do not have stems, leaves and flowers like higher plants. Algae can be large and multi-cellulared (like kelp and other sea-weeds) or they can be tiny single-celled plants that live in the surface layer of the ocean.

Algae (Paleontology)

Photosynthetic, almost exclusively aquatic, nonvascular plants that range in size from simple unicellular forms to giant kelps several feet long. They have extremely varied life cycles and first appeared in the Precambrian.

Algae (Physical Geography)

A simple photosynthetic plant that usually lives in moist or aquatic environments. The bodies of algae can be unicellular or multicellular is design.

Algae (Pool and Spa)

A single-celled plant, that can be present in a variety of colors. Of the thousands of varieties, the most common in pools are: blue-green, yellow mustard or black. "Pink" algae is actually a bacteria and is usually present as a slime. Algae can form in spots or over broad areas. Low sanitizer levels are conducive towards algae growth.

Algae (Sanitation)

Photosynthetic microscopic plant which in excess can contribute taste and odor to potable water and deplete dissolved oxygen on decomposition. Algae can also be used in wastewater treatment (e.g., polishing or facultative ponds) to remove trace minerals such as phosphorus from the wastewater.

Algae (Speleological)

Photosynthetic plants with a range of pigments in addition to chlorophyll. No root, stem or leaves.
Flora.

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