Volvox : Characteristics, Structure, and Reproduction

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Volvox is a common freshwater free-floating chlorophytic green alga that belongs to Volvocaceae family under order Volvocales of division Chlorophyta. They occur in temporary and permanent freshwater tanks, ponds, pools, ditches, etc. There are some 20 freshwater species of Volvox which prefer to live in colonies with up to 60,000 cells by making a gelatinous … Read more

Monocots and Dicots: Characteristics and Differences

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Plants can be broadly divided into two types: flowering plants and non-flowering plants. In this case, flowering plant is also known as angiosperms while non-flowering plant is known as gymnosperms. Based on the nature of the embryo in the seed, angiosperms are again divided into the following two types:Monocotyledonous andDicotyledonous plantsMonocotyledonous PlantsMonocotyledon is commonly known … Read more

Spirogyra: Characteristics, Structure and Reproduction

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Spirogyras are common free-floating freshwater algae that inhabit ponds, pools, tanks, lakes, ditches, etc.  The word ‘Spirogyra’ is derived from the two Greek words, ‘Speria’, meaning coil, and ‘gyras’ meaning twisted. Spirogyra has many common names, including blanket weed, water silk, mermaid`s tresses, etc. It grows up to several centimeters in length and 10-100 μm … Read more

Reproduction in algae

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Algae are a diverse group of eukaryotic cellular or multi-cellular organisms. They inhabit both in aquatic and terrestrial environments. Some occur in moist stones, wood, soils, on ice, or snow. They have photosynthetic pigments that perform photosynthesis, produce oxygen, and remove at least half of the total carbon dioxide from the earth`s atmosphere.Algae perform reproduction … Read more

Structure of Algae

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Algae are photosynthetic microorganisms that perform photosynthesis and produce oxygen (O2) and consume carbon dioxide (CO2) from the atmosphere. During photosynthesis, algae produce at least half of the oxygen in Earth’s atmosphere. Most of the algae inhabit the aquatic environment, either freshwater or marine habitats. They can also occupy on rocks, soils, vegetation, or moist … Read more

Algae: Characteristics, Types and Its Classification

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Algae are the green slimy blanket which covers the rock surface or the top of the ponds or a poorly kept aquarium that have the ability to conduct photosynthesis. The algae belong to the subphylum Thallophyta of the kingdom Protista in modern classification of organisms. Latin ‘alga’ means seaweed. These are eukaryotic organisms, autotrophic in … Read more

Pinus: Salient Features, Morphology and Reproduction

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Pinus are coniferous, evergreen resinous trees which are popularly known as pine. They belong to the family Pinaceae under order Coniferales of class Coiniferosida. Different species of the genus Pinus are distributed throughout the temperate and sub-alpine regions of Northern Hemisphere where they form dense forests of evergreen trees. They can grow up to 80 … Read more

Difference Between Angiosperms and Gymnosperms

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Angiosperms are known as flowering plants which include the trees, herbs, and shrubs.  They are vascular seed plants and form the largest and most diverse group within the kingdom Plantae. Around 300,000 species of angiosperms are found in the world which represents 80% of all the known green plants.  They have a proper root system … Read more

Gymnosperms: Salient Characteristic Features

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The gymnosperms are a group of seed-producing plants which are also known as Acrogymnospermae. The term ‘Gymnosperm’ is originated from two Greek words, ‘gymnos’ meaning naked and ‘sperma’ meaning seed. It is a smaller ancient group of plants that produce naked seeds because their seeds are not enclosed by a fruit. On earth, more than … Read more

Angiosperms: Salient Characteristic Features

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Generally, the seed-producing plants are known as an angiosperm. The word “angiosperm” is derived from the two Greek words, ‘angeion’ meaning case and ‘sperma’ meaning seed.  This type of plant produces fruits within which lies the seed or seeds. They can grow in different types of habitats. Based on habitats, they have various names such … Read more