Spirogyra (scientific name: Spongilla) is a type of freshwater sponge organism belonging to the phylum Porifera. They are a type of primitive and ancient aquatic creatures that usually live in freshwater environments, such as rivers, lakes, streams, etc. The following is a detailed introduction to S...
Algae are the lower types of the plant kingdom. There are many kinds of them, with an estimated 18,000 species, belonging to green algae, diatoms, golden algae, red algae and brown algae. They are widely distributed in various waters on the earth. Algae have a cell wall c...
All living objects in nature are called organisms. Generally speaking, living things can be divided into three categories: plants, animals and microorganisms. Starfish - an echinoderm There are approximately more than 300,000 known species of plants, which can b...
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